If the sample size for both groups in an independent samples t test is n = 15, what degrees of freedom should be used?
A) 30
B) 28
C) 29
D) 14

Name: If the sample size for both groups in an independent samples t test is n = 15, what degrees of freedom should be used? A) 30 B) 28 C) 29 D) 14
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Question

Quizplus · Accepted Answer

The degrees of freedom (df) for an independent samples t-test is calculated as the sum of the sample sizes of both groups minus 2. Here, df = (15 + 15) - 2 = 30 - 2 = 28.

If the Sample Size for Both Groups in an Independent