In the t test for correlated groups, a directional H 1 may predict µ D 0.

Name: In the t test for correlated groups, a directional H 1 may predict µ D > 0.
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Question

In the t test for correlated groups, a directional H 1 may predict µ D > 0.

Quizplus · Accepted Answer

In a paired samples t-test, where the null hypothesis is that the mean difference between two related samples is zero, the alternative hypothesis can be directional (one-tailed). Therefore, H 1 can predict that the mean difference is greater than zero (µ D > 0), which is a directional hypothesis.

In the T Test for Correlated Groups, a Directional H