Mann Whitney test definitions

Mann-Whitney test

The non-parametric equivalent of the two sample t test; essentially based on the average rank observed in each group.
Found on http://www.encyclo.co.uk/local/20429

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Mann-Whitney test

Mann-Whitney U testMann-Whitney-Wilcoxon test rank sum test.
Found on http://www.encyclo.co.uk/local/21001

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