השוואת שיטות

	מבחן t למדגמים בלתי תלויים רובוסטי	מבחן t למדגמים מזווגים רובסטי
תחום	סטטיסטיקה	סטטיסטיקה
משפחה	Hypothesis test	Hypothesis test
שנת המקור	1974–1990s	1974
הוגה השיטה	Rand R. Wilcox; Karen K. Yuen (trimmed-mean form)	K. K. Yuen; extended by Rand R. Wilcox
סוג	Robust parametric mean comparison	Robust parametric mean comparison
מקור מכונן	Wilcox, R. R. (2012). Introduction to Robust Estimation and Hypothesis Testing (3rd ed.). Academic Press. ISBN: 978-0123869838	Yuen, K. K. (1974). The two-sample trimmed t for unequal population variances. Biometrika, 61(1), 165–170.
כינויים	Yuen's t-test, trimmed-mean t-test, Winsorized t-test, robust two-sample test	trimmed-mean paired t-test, Yuen paired t-test, robust dependent-samples t-test, trimmed paired comparison
קשורות	2	3
תקציר	The robust independent samples t-test compares the central tendency of two independent groups using trimmed means and Winsorized variances, making it substantially less sensitive to outliers and non-normality than the classical Student or Welch t-test. The most widely used form is Yuen's test, which also accommodates unequal variances across groups.	The robust paired samples t-test replaces arithmetic means with trimmed means and Winsorized variance to compare two related measurements while resisting the distorting influence of outliers and non-normal distributions, producing reliable inference where the classic paired t-test breaks down.