In an experiment involving four different groups, each consisting of 5 subjects, the degrees of freedom for your error term equals
A) 16
B) 18
C) 19
D) 20

Question

Quizplus · Accepted Answer

The degrees of freedom for the error term in an ANOVA is calculated as the total number of observations minus the number of groups. Here, there are 4 groups with 5 subjects each, totaling 20 observations. Therefore, the degrees of freedom is 20 - 4 = 16.

In an Experiment Involving Four Different Groups, Each Consisting of 5