Which of the following best describes when to apply the Friedman test to determine whether the locations of two or more populations are the same?
A) The populations must be normally distributed.
B) The sample sizes must be at least 30.
C) The data must be generated from a randomised block experiment.
D) All of these choices are correct.

Question

Quizplus · Accepted Answer

The Friedman test is a non-parametric test used to determine whether there are statistically significant differences between two or more groups. It is commonly used for data generated from a randomised block experiment, where each group or condition is tested on the same subjects. The test does not require normality or a minimum sample size. Therefore, the correct answer is C.

Which of the Following Best Describes When to Apply the Friedman