A researcher is performing a two-way ANOVA using two factors. The first factor has 4 levels and the second factor has 10 levels. In the ANOVA Summary Table, the degrees of freedom for the interaction
Between the first and second factors will be:
A) 27
B) 30
C) 36
D) 40

Question

Quizplus · Accepted Answer

The degrees of freedom for the interaction between two factors in a two-way ANOVA is calculated as (number of levels of first factor - 1) * (number of levels of second factor - 1). So, (4-1)*(10-1) = 3*9 = 27.

A Researcher Is Performing a Two-Way ANOVA Using Two Factors