Mann-Whitney test

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Mann-Whitney test, Mann-Whitney U test

Mann-Whitney test

A statistical test of the probability that two independent sets of observations come from the same population. The Mann-Whitney test is independent of distribution and can be used when the t test is inappropriate.


Henry Berthold, U.S. mathematician, 1905–.
Mann-Whitney test - rank sum test.


Donald Ransom, U.S. statistician, 1915–.
Mann-Whitney test - see under Mann, Henry Berthold
References in periodicals archive ?
By running the Mann-Whitney-Wilcoxon test on the first two question data, we obtain a P-value equal to 0.
9) (MWW): p-value derived from Mann-Whitney-Wilcoxon test for independent samples S: p-value derived from Spearman's rank correlation coefficient Table 2: Sub-analysis in men (values are mean [+ or -] SD) Parameters 25(OH)D P (ng/ml) Amputation 0.
Even the robustness of the normality assumption in ANOVA tests was not expected to compensate for that lack of normality, so the Mann-Whitney-Wilcoxon test was used to check for gender differences.