In the ANOVA test, degrees of freedom within (dfw) are equal to ______ and degrees of freedom between (dfb) are equal to (k - 1).
A) (N - k)
B) (k + 1)
C) (N + k)
D) (k - N)

Question

Quizplus · Accepted Answer

The formula for degrees of freedom within (dfw) is dfw = N - k, where N is the total number of observations and k is the number of groups being compared. 
The formula for degrees of freedom between (dfb) is dfb = k - 1, where k is the number of groups being compared.

In the ANOVA Test, Degrees of Freedom Within (Dfw) Are