Mann-Whitney test

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Mann-Whitney test

[¦man ′wit·nē ‚test]
(statistics)
A procedure used in nonparametric statistics to determine whether the means of two populations are equal.
References in periodicals archive ?
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.
To rank these nine statements by the degree of gender difference (with 1 being the rank of the statement having the largest degree of gender difference) Z-values for the normal approximation to the Mann-Whitney-Wilcoxon test were calculated.