Both the Mann-Whitney U test and the Kruskal-Wallis test analyze differences between sums of ranks.

Name: Both the Mann-Whitney U test and the Kruskal-Wallis test analyze differences between sums of ranks.
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Both tests compare the sums of ranks between groups to analyze differences. The Mann-Whitney U test compares the sum of ranks between two independent groups, while the Kruskal-Wallis test compares the sum of ranks among three or more independent groups.

Both the Mann-Whitney U Test and the Kruskal-Wallis Test Analyze