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	Test ekvivalencie (TOST	Nezávislý t-test pre dva výberové súbory
Odbor	Štatistika	Štatistika
Rodina	Hypothesis test	Hypothesis test
Rok vzniku	1987	1908
Tvorca	Donald J. Schuirmann	Student (W. S. Gosset)
Typ	Parametric equivalence test	Parametric mean comparison
Pôvodný zdroj	Schuirmann, D.J. (1987). A Comparison of the Two One-Sided Tests Procedure and the Power Approach for Assessing the Equivalence of Average Bioavailability. Journal of Pharmacokinetics and Biopharmaceutics, 15(6), 657–680.	Student (1908). The probable error of a mean. Biometrika, 6(1), 1–25.
Ďalšie názvy	TOST, two one-sided tests, bioequivalence test, Eşdeğerlik Testi (TOST — Two One-Sided Tests)	student t-test, two-sample t-test, unpaired t-test, bağımsız örneklem t-testi
Príbuzné	5	4
Zhrnutie	The equivalence test using the Two One-Sided Tests (TOST) procedure is a parametric hypothesis test designed to demonstrate that the difference between two group means falls within a pre-specified equivalence region ±Δ. Introduced by Schuirmann (1987) in the context of pharmaceutical bioequivalence, TOST reverses the logic of classical null-hypothesis testing: instead of trying to detect a difference, it provides positive evidence of similarity.	The independent samples t-test is a parametric hypothesis test that compares the means of two independent groups to decide whether they differ significantly. It builds on the t-distribution introduced by Student (W. S. Gosset) in 1908 and assumes the measured values are continuous, approximately normally distributed, and have equal variances.