The Mann-Whitney test statistic is equivalent to the Wilcoxon test statistic (van der Waerden 1969).
Mann-Whitney Test Statistic
See also
Wilcoxon Test StatisticReferences
Kanji, G. K. 100 Statistical Tests. Thousand Oaks, CA: SAGE Publications, p. 110, 1999.Weiß, P. "Applications of Generating Functions in Nonparametric Tests." Mathematica J. 9, 803-823, 2005.van der Waerden, B. L. Mathematical Statistics. New York: Springer-Verlag, 1969.Referenced on Wolfram|Alpha
Mann-Whitney Test StatisticCite this as:
Weisstein, Eric W. "Mann-Whitney Test Statistic." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Mann-WhitneyTestStatistic.html