noun
Kruskal-Wallis test
A non-parametric statistical test used to compare three or more independent groups. Technical term in mathematics and statistics.
3群以上の比較にはクラスカル・ワリス検定を用いることがある。
The Kruskal-Wallis test is sometimes used for comparisons among three or more groups.
The Mann–Whitney U test is for two independent groups, while the Kruskal-Wallis test extends the comparison to three or more groups.
Named after the American statisticians William Kruskal and W. Allen Wallis, who developed the test in 1952.