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	Test t dla jednej próby	Test t Studenta dla prób niezależnych
Dziedzina	Statystyka	Statystyka
Rodzina	Hypothesis test	Hypothesis test
Rok powstania	1908	1908
Twórca	Student (W. S. Gosset)	Student (W. S. Gosset)
Typ	Parametric mean comparison	Parametric mean comparison
Źródło pierwotne	Student (1908). The probable error of a mean. Biometrika, 6(1), 1–25.	Student (W. S. Gosset) (1908). The probable error of a mean. Biometrika, 6(1), 1–25.
Inne nazwy	single-sample t-test, one-group t-test, one-sample t, Student one-sample t-test	two-sample t-test, unpaired t-test, Student t-test, independent groups t-test
Pokrewne	3	4
Podsumowanie	The one-sample t-test is a parametric hypothesis test that determines whether the mean of a single sample differs significantly from a known or hypothesized population value. Derived from Student's (Gosset's) 1908 t-distribution, it assumes continuous, approximately normally distributed data and is one of the most fundamental tests in applied statistics.	The independent samples t-test is a parametric hypothesis test that determines whether the means of two independent, unrelated groups differ significantly on a continuous outcome variable. Derived from Gosset's 1908 t-distribution, it is one of the most widely used inferential tests in social, behavioral, biomedical, and experimental sciences.