The mean square for the interaction of factors A and B in a two-factor between subjects analysis of variance is defined as SSA × B divided by.
A)ab
B)dfA
C)(a - 1)(b - 1)
D)ab - 1

Question

Quizplus · Accepted Answer

The mean square for the interaction of factors A and B (MSAxB) in a two-factor between subjects analysis of variance is calculated by dividing the sum of squares for the interaction (SSAxB) by its associated degrees of freedom, which is (a - 1)(b - 1), where a is the number of levels of factor A, and b is the number of levels of factor B.

The Mean Square for the Interaction of Factors a and B