In a two-way ANOVA,the degrees of freedom for the interaction term is
A)(r - 1)(c - 1).
B)rc(n - 1).
C)(r - 1).
D)rcn + 1.

Question

Quizplus · Accepted Answer

The degrees of freedom for the interaction term in a two-way ANOVA is equal to the product of the degrees of freedom for the two main effects, which is (r - 1)(c - 1) where r is the number of levels in the first factor and c is the number of levels in the second factor.

In a Two-Way ANOVA,the Degrees of Freedom for the Interaction