24. For each of the following, which type of t-test is required? (a) Studying wh
ID: 3053521 • Letter: 2
Question
24. For each of the following, which type of t-test is required? (a) Studying whether psychology or soci- ology majors are more prone to math errors on a statistics exam. (b) The study in part a, but for each psychology major, there is a sociology major with the same reading score. (c) A study of the spend ing amount of money each spends in an electronic habits of a group of teenagers, comparing the games store and in a clothing store. (d) A study of the effects of a new anti-anxiety drug, measuring participants' anxiety before and after administra- tion of the drug. (e) Testing whether women in the U.S. Army are more aggressive than women in the U.S. Marine Corps.Explanation / Answer
Solution:-
(a) Testing equality of means of two population.
(b) Test of population mean
(c) Test of population mean
(d) Paired t-test is used.
(e) Testing equality of means of two population (right tailed test)