The assumptions of the Kruskal-Wallis H test are that the:
A) data are ordinal and participants are randomly selected.
B) data are ordinal, participants are randomly selected, and the population distribution of ranks is symmetric.
C) data are scale and participants are randomly selected.
D) participants are randomly selected and the population distribution is symmetric.

Question

Quizplus · Accepted Answer

The Kruskal-Wallis H test assumes that the data are ordinal and that participants are randomly selected. It does not require the assumption of normal distribution or equal variances, making it suitable for non-parametric data analysis.

The Assumptions of the Kruskal-Wallis H Test Are That The