For a group of 20 participants, how many degrees of freedom are there for a t-test for dependent means?
A) 19
B) 20
C) 39
D) 40

Name: For a group of 20 participants, how many degrees of freedom are there for a t-test for dependent means? A) 19 B) 20 C) 39 D) 40
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The degrees of freedom for a t-test for dependent means is calculated as (n-1) where n is the sample size. Since there are 20 participants, the degrees of freedom will be 19.

For a Group of 20 Participants, How Many Degrees of Freedom