The Kruskal-Wallis test can be conducted as one- or two-tailed tests.

Name: The Kruskal-Wallis test can be conducted as one- or two-tailed tests.
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The Kruskal-Wallis test is a non-parametric method used to determine if there are statistically significant differences between the medians of three or more independent groups. It is inherently a one-tailed test because it tests for any differences among groups, not the direction of the differences.

The Kruskal-Wallis Test Can Be Conducted as One- or Two-Tailed