手法を比較

	トリム平均検定（Yuenの検定）	マン・ホイットニーのU検定
分野	統計学	統計学
系統	Regression model	Hypothesis test
提唱年	1974	1947
提唱者	Karen K. Yuen	H. B. Mann & D. R. Whitney
種類	Robust two-group comparison	Nonparametric two-group comparison
原典	Yuen, K. K. (1974). The Two-Sample Trimmed t for Unequal Population Variances. Biometrika, 61(1), 165-170.	Mann, H. B. & Whitney, D. R. (1947). On a test of whether one of two random variables is stochastically larger than the other. Annals of Mathematical Statistics, 18(1), 50–60.
別名	Yuen's test, Yuen-Welch test, robust mean comparison, kırpılmış ortalama testi	Mann-Whitney-Wilcoxon test, Wilcoxon rank-sum test, Mann-Whitney U Testi
関連	4	4
概要	The trimmed mean test compares two groups using trimmed means, which discard a fixed proportion of the most extreme observations in each tail before averaging. Introduced by Karen K. Yuen in 1974, it is a robust alternative to the classical t-test when the data are non-normal or contain outliers and the population variances are unequal.	The Mann-Whitney U test is the nonparametric alternative to the independent samples t-test, comparing two independent groups by ranking all observations together rather than relying on their means. It was introduced by H. B. Mann and D. R. Whitney in 1947 and does not require the data to be normally distributed.