A statistics professor wanted to test whether the grades on statistics test were the same for first- and third-year students. The professor took a random sample of size 12 from each and conducted a test, determining that the variances were equal. For this situation, the professor should use a matched pairs t test.

Question

Quizplus · Accepted Answer

A matched pairs t-test is used when the same group of participants is measured twice or when each participant in one group is matched with a participant in another group. In this scenario, first-year students and third-year students are two distinct groups, so a matched pairs t-test is not appropriate. A two-sample t-test would be more appropriate in this case.

A Statistics Professor Wanted to Test Whether the Grades on Statistics