A paired-sample t-test is an appropriate test for comparing the scores of two interval variables drawn from related populations.

Question

Quizplus · Accepted Answer

A paired-sample t-test is used to compare the means of two related groups, such as the scores of individuals before and after an intervention or the scores of pairs of matched individuals. This test is appropriate when the two samples are not independent and the variable of interest is measured on an interval scale. Therefore, A is the correct answer.

A Paired-Sample T-Test Is an Appropriate Test for Comparing the Scores