True or False: When testing for differences between the means of 2 related populations, you can
use either a one-tail or two-tail test.

Question

Quizplus · Accepted Answer

The choice between a one-tail or two-tail test depends on the research hypothesis. A one-tail test is used if the hypothesis specifies a direction of the difference, while a two-tail test is used if the hypothesis does not specify a direction.

True or False: When Testing for Differences Between the Means