Which of the following statements about the Kruskal-Wallis test are FALSE? A)The test involves random samples of sizes From I populations. B)The I samples must be independent. C)The I populations must have a common standard deviation,$\sigma$. D)The test essentially applies the one-way ANOVA to the ranks of the observations rather than to the original observations themselves. E)The test statistic H has,approximately,a chi-square distribution with I - 1 degrees of freedom.

Question

Quizplus · Accepted Answer

The Kruskal-Wallis test does not assume that the populations have a common standard deviation, as stated in option C. Instead, it only assumes that the populations have the same shape and are continuous. Therefore, option C is false. The other statements (A, B, D, E) are true.

Which of the Following Statements About the Kruskal-Wallis Test Are σ\sigmaσ

Which of the Following Statements About the Kruskal-Wallis Test Are $\sigma$