{"id":124635,"date":"2023-02-14T00:00:00","date_gmt":"2023-02-14T00:00:00","guid":{"rendered":"https:\/\/nursingstudybay.com\/2023\/02\/14\/statistics-multiple-choice-questions-mathematics-homework-help\/"},"modified":"2023-02-14T00:00:00","modified_gmt":"2023-02-14T00:00:00","slug":"statistics-multiple-choice-questions-mathematics-homework-help","status":"publish","type":"post","link":"https:\/\/www.studyproessays.com\/help\/statistics-multiple-choice-questions-mathematics-homework-help\/","title":{"rendered":"Statistics multiple choice questions | Mathematics homework help"},"content":{"rendered":"<p><\/p>\n<div>\n<p><a rel=\"nofollow\" name=\"_GoBack\"\/><span>The statement that a person who scores 120 has twice as much of the trait being measured as someone who scores 60 is appropriate for:<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a variable measured on an interval scale<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a variable measured on a ratio scale<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 any continuous variable<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 any test whose scores are normally distributed<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 2 0.5 pts<\/span><\/p>\n<p><span>Which of these is a discrete measure?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 How many points you earn on a test<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 How many inches you grew in a year<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 How many term papers are due this semester<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 How many hours you study for an exam<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 3 0.5 pts<\/span><\/p>\n<p><span>It is not possible to report the average score for data measured on what type of scale?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 nominal<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ordinal<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 interval<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ratio<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 4 0.5 pts<\/span><\/p>\n<p><span>Jane\u2019s percentile rank on a science exam is 78. This means that:<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Jane answered 78% of the questions correctly on the exam<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Jane&#8217;s score was equal to or greater than 78% of the other students&#8217; scores<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Jane achieved a score of 78% on the exam<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Jane scored the same as 78% of the other students<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 5 0.5 pts<\/span><\/p>\n<p><span>Rudy scores 83% on a test.\u00a0 From that, we know that:<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Rudy&#8217;s percentile rank is 83%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 83% of the people who took the test scored the same or lower than Rudy<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Rudy scored above average<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Out of 100 possible points, Rudy scored 83 pointsQuestion 6 0.5 pts<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Here is a set of scores: 3,6,2,9,4,7,5,7,7,5.\u00a0 If the scores were entered into a frequency table, what would be the cumulative frequency?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 7<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 9<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 55<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 7 0.5 pts<\/span><\/p>\n<p><span>Your data consist of the average family size for all families within each of six different income levels. What type of visual display would best convey the data?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 histogram<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 line graph<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 bar chart<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 frequency table<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 8 0.5 pts<\/span><\/p>\n<p><span>You are constructing a histogram for scores that range from 70 to 100 in whole points. Frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. Which of these would probably be the best range and size for the score intervals along the X-axis?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1-point intervals from 70 and 100<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1-point intervals from 0 and 100<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5-point intervals from 70 and 100<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10-point intervals from 70 and 100<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 9 10 pts<\/span><\/p>\n<p><span>You are looking at a frequency table for a large number of scores.\u00a0 Without doing any further calculating, which measure of central tendency can you immediately report?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 mode<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 median<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 mean<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 none of these<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 10 10 pts<\/span><\/p>\n<p><span>In a set of raw scores for a teacher-constructed test, what will be the shape of the distribution around the mean?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 normal<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 bimodal<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 skewed<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 it could be distributed in any of these ways<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 11 0.5 pts<\/span><\/p>\n<p><span>From the standard deviation, we know something about the:<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 general location of most scores within a scores distribution<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 spread of scores within the scores distribution<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 shape of the scores distribution<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 frequency at each score value<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 12 0.5 pts<\/span><\/p>\n<p><span>You select a sample of 50 scores from a population of 2,000 scores. You compute the range and standard deviation on the sample of 50 scores. You then select another sample of 50 scores from the same population. What measure of dispersion is likely to vary most between your first and second samples?<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the range<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the standard deviation<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 they will both vary by the same amount<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 there is no way to know which one will likely vary most<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 13 0.5 pts<\/span><\/p>\n<p><span>Here is a set of scores:\u00a0 5, 5, 8, 14, 22, 22.\u00a0 If the set of scores is changed to 6, 6,\u00a0\u00a0\u00a0 8, 14, 21, 21, how will these changes affect the standard deviation?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 It will decrease the standard deviation<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 It will increase the standard deviation<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 It will have no effect on the standard deviation<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 There is not enough information to tell<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 14 0.5 pts<\/span><\/p>\n<p><span>The probability of rolling a 3 on a die is .17 over the long term (under an infinite number of rolls). What is the probability of rolling a 3 on a single roll?<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 .00<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 .17<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 .83<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.00<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 15 0.5 pts<\/span><\/p>\n<p><span>The probability of drawing a heart from a deck of cards is .25 over the long term (under an infinite number of draws). What is the probability of getting a heart on a single draw?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 .00<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 .25<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 .75<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.00<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 16 0.5 pts<\/span><\/p>\n<p><span>A market researcher obtains a list of all streets in a town. She randomly samples 10 street names from the list, and then administers survey questions to every family living on those 10 streets. What type of sampling is this?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 simple random<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 stratified random<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 cluster<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 convenience<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 17 0.5 pts<\/span><\/p>\n<p><span>In an experiment to determine the effect of exercise on weight-loss among postmenopausal women who are employed outside the home, what is the DEPENDENT variable?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 exercise<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 menopausal status<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 employment status<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 weight loss<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 18 0.5 pts<\/span><\/p>\n<p><span>\u201cDogs that receive regular veterinary care live longer than those who do not receive such care.\u201d What type of hypothesis is this?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 null<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 directional<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 non-directional<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 double-barreled<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 19 0.5 pts<\/span><\/p>\n<p><span>\u201cThere will be no difference in the activity level of hyperactive children given medication and those not given medication.\u201d What type of hypothesis is this?<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 null<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 directional<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 non-directional<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 double-barreled<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 20 0.5 pts<\/span><\/p>\n<p><span>A researcher plans to conduct a one-tailed test of her hypothesis at the .05 error level. Just before running the experiment, she decides that a two-tailed test is more appropriate. If she does not adjust the error level, how much error will her new study permit in a single tail?<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 .10<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 .05<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 .025<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 There is not enough information to tell<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 21 0.5 pts<\/span><\/p>\n<p><span>Professor Stringent conducts his study at a .01 error level. Professor Lax conducts his study at a .10 error level. Whose study is the better study?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Professor Stringent\u2019s<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Professor Lax<\/span><span>\u2019s<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Both professors\u2019 studies are equally worthy<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 There is not enough information to tell<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 22 0.5 pts<\/span><\/p>\n<p><span>The probability of a score falling at or below a particular z score is .8734.\u00a0 If you\u00a0\u00a0 reject the\u00a0 null hypothesis, what is your Type 1 error level?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 87.34%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 12.66%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.13%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 There is not enough information to tell<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 23 0.5 pts<\/span><\/p>\n<p><span>What is the probability of a Type 1 error if you reject the null hypothesis based on\u00a0 a z score of .50?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 50%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 100%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 It depends on the individual values of the raw scores<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 24 0.5 pts<\/span><\/p>\n<p><span>Assume that a population of scores is normally distributed with a mean of 50 and a standard deviation of 10. For samples of size 25, we would expect 95% of the sample means (not of the raw scores) to fall between what two values?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 30 and 70<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 40 and 55<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 46 and 54<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 51 and 59<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 25 0.5 pts<\/span><\/p>\n<p><span>A population has a mean of 300 and a standard deviation of 25. You draw a random sample from that population. What is the sample&#8217;s most likely mean?<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 25<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 300<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 There is not enough information to tell<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 26 0.5 pts<\/span><\/p>\n<p><span>If the population mean is 50 and the standard deviation is 5, what is the normal deviate Z for a sample of 20 people with a mean of 46?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -4.46<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -3.57<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.12<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -0.25<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 27 0.5 pts<\/span><\/p>\n<p><span>A two-tailed t test study for a single sample of 28 participants yields a t of -2.35.\u00a0\u00a0 Look up this value in a t-table.\u00a0 Given the fixed number of participants, what is\u00a0 the lowest tabled alpha level at which this t is statistically significant?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10%<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 28 0.5 pts<\/span><\/p>\n<p><span>In a one-sample t test, if the observed sample mean turns out to be one that would rarely occur when the null hypothesis is true, what should the researcher do?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 reject the null hypothesis<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 retain the null hypothesis<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 repeat the test until we get a more probable sample mean<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 change the level of significance (Type I error)<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 29 0.5 pts<\/span><\/p>\n<p><span>A research report says that t (63) = 1.99; p = .03. From that information, can you reject the null hypothesis with 95% confidence?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 yes<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 no<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 it depends on the sample size<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 it depends on the size of the Type 1 error<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 30 0.5 pts<\/span><\/p>\n<p><span>Which of these confidence intervals would include the widest range of scores?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 68%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 95%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 99%<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 All confidence intervals are a standard range<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 31 0.5 pts<\/span><\/p>\n<p><span>What is the mean of any sampling distribution of the difference between the means?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 The same as the difference between the two sample means in the study<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 The square root of the combined sample size of the two samples in the study<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 It depends on the value of the raw scores in the two sampling distributions<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 32 0.5 pts<\/span><\/p>\n<p><span>For a very small sample size, you should expect the size of the standard error of the difference between the means to be:<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 larger than usual<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 about the same size as usual<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 smaller than usual<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 almost zero<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 33 0.5 pts<\/span><\/p>\n<p><span>In a two-sample t test, if the observed difference between the sample means turns out to be one that could easily occur when the null hypothesis is true, what should we do?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Reject the null hypothesis<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Retain the null hypothesis<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Repeat the test until we get a less probable difference between the means<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Change the level of significance (Type 1 error)<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 34 0.5 pts<\/span><\/p>\n<p><span>Which of these would be a related samples study?\u00a0 <\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>1.\u00a0 Amount of sugar added to coffee by men versus women<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>2.\u00a0 Running speed for soccer players pre-season versus post-season<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>3.\u00a0 Number of hours the members of a class study for a weekly quiz versus a unit exam<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 and 2 only<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 and 3 only<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2 and 3 only<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1, 2 and 3<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 35 0.5 pts<\/span><\/p>\n<p><span>The hypothesis testing procedure for comparing means of RELATED samples would be appropriate for comparing:<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 differences in the religious beliefs of best friends<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the distance that 12-year-olds versus 14-year-olds can kick a soccer ball<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 final grades in a course taught by Professor Jones compared with final grades in a course taught by Professor Smith<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 birth weights of babies born to drug-addicted mothers and birth weights of babies born to mothers who are not drug-addicted<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 36 0.5 pts<\/span><\/p>\n<p><span>The hypothesis testing procedures for comparing means of INDEPENDENT samples would be appropriate for comparing:<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 IQ scores of children attending a public elementary school as they progress from grade to grade<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 husbands\u2019 and wives\u2019 attitudes toward higher education<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 male and female problem-solving skills (number of moves toward the correct solution) on a spatial puzzle task<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 software \u201cusefulness\u201d ratings by users who try both Software A and Software B<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 37 10 pts<\/span><\/p>\n<p><span>\u201cChildren whose parents smoke in their presence are more likely to develop asthma than children whose parents do not smoke in their presence.\u201d How many tails should be used when looking up the t test statistic for this study?<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 one tail<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 two tails<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 either one tail or two tails (it doesn&#8217;t matter)<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 there is not enough information to tell<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 38 0.5 pts<\/span><\/p>\n<p><span>When subjects who are treated in the SAME way differ in performance, what accounts for their measured difference?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 between-groups variation<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 within-groups variation<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 total variation<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 treatment variation<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 39 0.5 pts<\/span><\/p>\n<p><span>When subjects who are treated in the SAME way differ in performance, what accounts for their measured difference? <\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 random error<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the treatment<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the IV (independent variable)<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 this cannot happen<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 40 0.5 pts<\/span><\/p>\n<p><span>&#8220;One way&#8221; means that:<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 there is only one correct way to calculate the test statistic<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the results can be in only one direction<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 there is only one sample (group) in the study<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 there is only one IV (independent variable) in the study<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 41 0.5 pts<\/span><\/p>\n<p><span>The appropriate statistic to use when testing the hypothesis for a study with three treatment groups is a:<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 one-sample t test<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 two-sample t test<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ANOVA F test<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Pearson&#8217;s correlation coefficient<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 42 0.5 pts<\/span><\/p>\n<p><span>You have conducted an analysis of variance and found no statistical significance in the F. Should you then calculate a post hoc test?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Yes, to see where the hidden significance might lie<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Yes, to locate the confounding variables that might have masked the effect<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Yes, to validate your non-significant F<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 No, because there is there is no statistical significance to be found<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 43 0.5 pts<\/span><\/p>\n<p><span>You conduct an ANOVA at the .05 error level and find a significant F. You conduct a Tukey HSD post hoc test on the same data at the same .05 error level and find no significant difference between the particular groups. From these results, you know that:<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the sample size in each group was not sufficient to pick up the effect detected by the F test<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the variation within each group masked the variation between the groups<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 you should have conducted your Tukey HSD at the .01 error level<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 you have made a calculation error in either the F test or the Tukey HSD<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 44 0.5 pts<\/span><\/p>\n<p><span>Your chi-square study has 4 categories or conditions of the first variable and 4 levels or conditions of the second variable. How many degrees of freedom are in this study?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 7<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 9<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 16<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 45 0.5 pts<\/span><\/p>\n<p><span>You are testing the hypothesis that the average salary of college graduates 1 year out of college is related to the graduates\u2019 genders and to the graduates\u2019 fields of study. What is the appropriate analytic technique for this study?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 two-sample t-test<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 analysis of variance<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 chi-square goodness of fit<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 chi-square test of independence<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 46 0.5 pts<\/span><\/p>\n<p><span>You are testing the hypothesis that the grade point averages differs between college athletes and non-athletes.\u00a0 What is the appropriate analytic technique for this study?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 two-sample t-test<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Pearson correlation coefficient<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 chi-square goodness of fit<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 chi-square test of independence<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 47 0.5 pts<\/span><\/p>\n<p><span>In a correlational study, we seek to determine:<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 if the independent variable causes an outcome in the dependent variable<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 which variable is the cause and which variable is the effect<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the direction of causation<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 how well one variable predicts another variable<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 48 0.5 pts<\/span><\/p>\n<p><span>In a scatterplot, the data for a negative correlation will graph in what direction?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 from the bottom left to the upper right<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 from the upper left to the bottom right<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 parallel to the horizontal X-axis<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 parallel to the vertical Y-axis<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 49 0.5 pts<\/span><\/p>\n<p><span>In a scatter diagram, if one of the points does not fall on the straight line of best fit to the data points, then r cannot be:<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 +1.00 or -1.00<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 positive<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 negative<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 50 0.5 pts<\/span><\/p>\n<p><span>Which one of the following would most likely show a negative correlation?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 verbal aptitude and number of books read per year<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 body weight and age at which puberty was reached<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 amount of alcohol ingested and driving ability<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 educational level and income<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 51 0.5 pts<\/span><\/p>\n<p><span>The usefulness of a screening test for selecting college students for inclusion in an Honors program implies what type of relationship between the screening test and college grade point average (GPA)?<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 positive<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 negative<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 curvilinear<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 perfect<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 52 0.5 pts<\/span><\/p>\n<p><span>Which of these correlations is the strongest?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -0.75<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.00<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 +0.50<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 +0.67<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 53 0.5 pts<\/span><\/p>\n<p><span>Assume that, for variables X and Y, the statistics are as follows:<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Variable X\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Variable Y<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Mean = 50\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Mean = 100<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Stand. Dev. = 10\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Stand. Dev. = 20<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0rxy = +1.00<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>What would be the predicted score on variable Y for a person who scores 40 on variable X? (Note: This can be answered without any formulas or calculations)<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 40<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 80<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 100<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 120<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 54 0.5 pts<\/span><\/p>\n<p><span>If r =\u00a0 \u22121.00, which one of the following will be true?<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Scores on X will be of no use in predicting scores on Y.<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Scores on X can be perfectly predicted from scores on Y.<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 The scores on X and Y are both negative.<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 The relationship becomes difficult to interpret.<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 55 0.5 pts<\/span><\/p>\n<p><span>For the regression equation Y\u2019 = bX + a, what is the value of the criterion for someone who scores 60 on the predictor, where the correlation is .75, and where the prediction line\u2019s Y-intercept is 5?<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 45<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 48.75<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 50<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 55<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 56 0.5 pts<\/span><\/p>\n<p><span>You conduct a study with four uncorrelated predictors.\u00a0 Then you remove one of the predictors.\u00a0 How should the removal of this predictor change the R2?<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 it will go up<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 it will go down<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 it will stay the same<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 there is not enough information to tell<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 57 0.5 pts<\/span><\/p>\n<p><span>The main difference between a simple and multiple regression is:<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the number of dependent variables<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the number of independent variables<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the scales of measure of the independent variables<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the size of the samples<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 58 0.5 pts<\/span><\/p>\n<p><span>In a curvilinear relationship:<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the variables are unrelated<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a scatterplot provides little information about the variables<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 the trend of the variables changes direction<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 an additional variable is necessary to explain the relationship<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 59 0.5 pts<\/span><\/p>\n<p><span>Another term for a regression intercept is:<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 unexplained variance<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 collinearity<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 heterogenity<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 constant<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>Question 60 0.5 pts<\/span><\/p>\n<p><span>Nationwide, undergraduate college enrollment by gender is 55% female and 45% male. A professor wants to know the opinions of male versus female undergraduates nationwide. To ensure equal representation of the two genders, what sampling method should the professor use?<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 simple random<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 stratified random<\/span><\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 cluster<\/span><\/p>\n<p>\u00a0<\/p>\n<p><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 convenience<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The statement that a person who scores 120 has twice as much of the trait being measured as someone who scores 60 is appropriate for:\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10601,10596,10882,479,537,172,478,10597,10599,10595],"tags":[10524,10522,10890,10561,10883,10889,10515,10521,10696,10518,10888,10887,10886,10885,10884,10525],"class_list":["post-124635","post","type-post","status-publish","format-standard","hentry","category-assignment-help-by-uks-no-1-writing-service","category-assignment-writers-canada-university-cost","category-free-ai-english-assignment-writers-china","category-nursing-course-hero","category-nursing-essay-pro","category-nursing-study-bay","category-nursing-study-pool","category-professional-assignment-writers-usa","category-uae-1-cheap-assignment-writing-service","category-write-a-word-essay","tag-apa-citation-format-assignment","tag-assignment-writers-australia-college-student","tag-best-nursing-case-study-writing-services","tag-buy-essay-usa","tag-case-study-nursing-writing-services-for-care-plans","tag-free-nursing-case-study-writing-services","tag-help-write-a-page-assignment","tag-i-need-someone-to-do-my-assignment-within-hours","tag-need-assistance-completing-the-assignment","tag-need-to-write-an-essay","tag-nursing-case-studies-with-answers","tag-nursing-case-study-paper-example","tag-nursing-case-study-template-examples-of-case-studies-nursing","tag-pharmacology-case-study","tag-soap-note-case-study","tag-write-pages"],"_links":{"self":[{"href":"https:\/\/www.studyproessays.com\/help\/wp-json\/wp\/v2\/posts\/124635","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.studyproessays.com\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.studyproessays.com\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.studyproessays.com\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.studyproessays.com\/help\/wp-json\/wp\/v2\/comments?post=124635"}],"version-history":[{"count":0,"href":"https:\/\/www.studyproessays.com\/help\/wp-json\/wp\/v2\/posts\/124635\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.studyproessays.com\/help\/wp-json\/wp\/v2\/media?parent=124635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.studyproessays.com\/help\/wp-json\/wp\/v2\/categories?post=124635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.studyproessays.com\/help\/wp-json\/wp\/v2\/tags?post=124635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}