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| Mitteparameetrilised statistilised testid× | Mitmeregulatsiooni analüüs× | |
|---|---|---|
| Valdkond | Uurimisstatistika | Uurimisstatistika |
| Perekond | Process / pipeline | Process / pipeline |
| Tekkeaasta≠ | 1947 | 1801 |
| Looja≠ | Henry Mann and Donald Whitney | Carl Friedrich Gauss |
| Tüüp | Method | Method |
| Algallikas≠ | Mann, H. B., & Whitney, D. R. (1947). On a test of whether one of two random variables is stochastically larger than the other. Annals of Mathematical Statistics, 18(1), 50–60. DOI ↗ | Draper, N. R., & Smith, H. (1966). Applied Regression Analysis. John Wiley & Sons. link ↗ |
| Rööpnimetused≠ | rank-based tests, Mann-Whitney U, Kruskal-Wallis, distribution-free | MLR, multivariate regression, linear regression |
| Seotud≠ | 3 | 4 |
| Kokkuvõte≠ | Nonparametric (distribution-free) tests are statistical methods for hypothesis testing that do not assume data follow a specific probability distribution (e.g., normal), making them robust to departures from normality, outliers, and ordinal data. The Mann-Whitney U test (1947) and Kruskal-Wallis test (1952) extend hypothesis testing beyond the constraints of parametric assumptions. Essential in biology, medicine, psychology, and any field where data are non-normal, highly skewed, or measured on ordinal scales (rankings, ratings), nonparametric tests provide valid inference when parametric assumptions fail. | Multiple regression analysis is a statistical method for modeling the relationship between a continuous dependent variable and two or more independent variables (predictors). Originating from Gauss's early 19th-century work and formalized by Draper and Smith (1966), it estimates linear equations predicting outcomes from multiple predictors while accounting for confounding relationships, making it indispensable in epidemiology, economics, psychology, and clinical research. |
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