In a two-way ANOVA, there are 4 levels for factor A, 5 levels for factor B, and 3 observations for each combination of factor A and factor B levels. The number of treatments in this experiment equals:
A) 60
B) 25
C) 20
D) 16
E) 12

Question

Quizplus · Accepted Answer

The number of treatments in a two-way ANOVA is equal to the product of the number of levels for each factor. Therefore, the number of treatments in this experiment is 4 x 5 = 20.

In a Two-Way ANOVA, There Are 4 Levels for Factor