The calculation of the degrees of freedom for the within groups variance uses which of the following?
a. the number of subjects per group and the number of groups
b. the number of subjects per group and the total number of subjects
c. the total number of subjects and the number of groups
d. all of these
A
The formula for dfW = k (n - 1), where k is the number of groups and n is the number of subjects per group.
Psychology
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