Porovnat metody
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| Párový t-test× | Jednovýběrový t-test× | |
|---|---|---|
| Obor | Statistika | Statistika |
| Rodina | Hypothesis test | Hypothesis test |
| Rok vzniku | 1908 | 1908 |
| Tvůrce | Student (W. S. Gosset) | Student (W. S. Gosset) |
| Typ | Parametric mean comparison | Parametric mean comparison |
| Původní zdroj | Student (1908). The probable error of a mean. Biometrika, 6(1), 1–25. DOI ↗ | Student (1908). The probable error of a mean. Biometrika, 6(1), 1–25. DOI ↗ |
| Další názvy | dependent t-test, matched pairs t-test, repeated measures t-test, within-subjects t-test | single-sample t-test, one-group t-test, one-sample t, Student one-sample t-test |
| Příbuzné | 3 | 3 |
| Shrnutí≠ | The paired samples t-test is a parametric hypothesis test that compares the means of two related measurements from the same subjects or matched pairs to determine whether the average difference is significantly different from zero. It leverages the dependency between observations to produce a more powerful test than its independent-samples counterpart. | 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. |
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