In a one-way ANOVA for a completely randomized design with 4 groups and 15 observations per each group,the error degrees of freedom is:
A)3
B)56
C)59
D)14
E)4

Question

Quizplus · Accepted Answer

The error degrees of freedom in a one-way ANOVA is calculated as the total number of observations minus the number of groups. Here, there are 4 groups with 15 observations each, so the total number of observations is 60. Therefore, the error degrees of freedom is 60 - 4 = 56.

In a One-Way ANOVA for a Completely Randomized Design with 4