-sample-size-n-and-the-error-degrees-of-freedom-df-used-for-pairwise-comparisons

Question

If an ANOVA had k = 5 groups and each group had n = 8 observations, what is the total sample size N and the error degrees of freedom df used for pairwise comparisons?

Accepted Answer

N = 40 and df = 35.

Answer

N = 40 and df = 36

Answer

N = 5 and df = 4

Answer

N = 13 and df = 8