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| Robust t-test för parade mätningar× | Parat t-test× | |
|---|---|---|
| Ämnesområde | Statistik | Statistik |
| Familj | Hypothesis test | Hypothesis test |
| Ursprungsår≠ | 1974 | 1908 |
| Upphovsperson≠ | K. K. Yuen; extended by Rand R. Wilcox | Student (W. S. Gosset) |
| Typ≠ | Robust parametric mean comparison | Parametric mean comparison |
| Ursprungskälla≠ | Yuen, K. K. (1974). The two-sample trimmed t for unequal population variances. Biometrika, 61(1), 165–170. DOI ↗ | Student (1908). The probable error of a mean. Biometrika, 6(1), 1–25. DOI ↗ |
| Alias | trimmed-mean paired t-test, Yuen paired t-test, robust dependent-samples t-test, trimmed paired comparison | dependent t-test, matched pairs t-test, repeated measures t-test, within-subjects t-test |
| Närliggande | 3 | 3 |
| Sammanfattning≠ | 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. | 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. |
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