In comparing the difference in means with a matched pairs experiment,the variable under consideration is ,where the subscript D refers to the difference.

Question

In comparing the difference in means with a matched pairs experiment,the variable under consideration is  ,where the subscript D refers to the difference.

Quizplus · Accepted Answer

In a matched pairs experiment, we are comparing the means of two related samples (e.g. before and after treatment). The variable under consideration is the difference between the two measurements, denoted as D. Therefore, comparing the difference in means is appropriate in this context.

In Comparing the Difference in Means with a Matched Pairs