If we are testing the hypothesis about the mean of a population of paired differences with samples of n₁ = 10,n₂ = 10,the degrees of freedom for the t statistic is ____. A)20 B)9 C)18 D)10

Question

Quizplus · Accepted Answer

The degrees of freedom for a paired t-test is given by df = n - 1, where n is the number of pairs. In this case, we have 10 pairs in each sample, so the degrees of freedom for the t statistic is df = 10 - 1 = 9. Therefore, the correct choice is B.

If We Are Testing the Hypothesis About the Mean of a Population