The F-test of the randomised block design of the analysis of variance requires that the random variable of interest must be normally distributed and the population variances must be equal. When the random variable is not normally distributed, we can use:
A) one-way ANOVA.
B) two-way ANOVA.
C) the chi-squared test.
D) the Friedman test.

Question

Quizplus · Accepted Answer

When the random variable is not normally distributed, the best choice is to use a non-parametric test such as the Friedman test. The Friedman test is an alternative to the randomised block design of the analysis of variance and does not require normality or homogeneity of variances assumptions. Therefore, the best choice is (D) the Friedman test.

The F-Test of the Randomised Block Design of the Analysis