Compară metode

	Testul Siegel-Tukey pentru diferențe de scară	Testul Fligner-Killeen pentru Omogenitatea Variențelor
Domeniu	Statistică	Statistică
Familie	Hypothesis test	Regression model
Anul apariției	1960	1976
Autorul original	Sidney Siegel & John W. Tukey	Michael A. Fligner & Timothy J. Killeen
Tip	Nonparametric scale comparison	Rank-based test for homogeneity of variances
Sursa seminală	Siegel, S. & Tukey, J. W. (1960). A Nonparametric Sum of Ranks Procedure for Relative Spread in Unpaired Samples. Journal of the American Statistical Association, 55(291), 429–444.	Fligner, M. A., & Killeen, T. J. (1976). Distribution-Free Two-Sample Tests for Scale. Journal of the American Statistical Association, 71(353), 210-213.
Denumiri alternative	Siegel-Tukey rank test, nonparametric scale test, Siegel-Tukey Testi — Ölçek Farklılığı	Fligner-Killeen test of variance homogeneity, rank-based variance homogeneity test, Fligner-Killeen Varyans Homojenliği Testi
Înrudite	2	5
Rezumat	The Siegel-Tukey test is a nonparametric hypothesis test that detects differences in variability (spread) between two independent groups whose central tendencies are equal or have been equalised. Introduced by Sidney Siegel and John W. Tukey in 1960, it is the nonparametric counterpart of Levene's test and requires no assumption of normality.	The Fligner-Killeen test is a rank-based test that checks whether several independent groups share the same variance (scale). Introduced by Fligner and Killeen in 1976, it does not require the data to be normally distributed, making it a robust nonparametric alternative to the Levene and Bartlett tests.