Which of the following is not an underlying assumption for the ANOVA model ?
A)The error effects are normally distributed
B)The mean of the error effects is zero
C)The variance of the error effects is zero
D)The error effects are uncorrelated

Question

Quizplus · Accepted Answer

The assumption that the variance of the error effects is zero is incorrect, as the variance is non-zero and typically estimated from the data. The other assumptions listed (normality, zero mean, uncorrelated errors) are key underlying assumptions for the ANOVA model.

Which of the Following Is Not an Underlying Assumption for the ANOVA