English Explanatory Dictionary

Mann-Whitney U test

English dictionary entry

Meanings

noun
  1. A nonparametric test of the null hypothesis that the probability that a randomly selected value from one population is less than a randomly selected value from a second population is equal to the probability of being greater. It can be used to investigate whether two independent samples were selected from populations having the same distribution.

Word forms

Mann-Whitney U test Mann-Whitney U tests

Etymology

Developed by Henry B. Mann and Donald R. Whitney, who described it in a 1947 paper.

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