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Level accuracy of F-distribution p-values as a function of decreasing sample size over 1000 simulations for a single dichotomous (categorical) predictor variable.
| (%) | N = 100 | N = 50 | N = 20 | N = 10 | N = 4 |
|---|---|---|---|---|---|
| 1 | 1.5 | 0.8 | 1.5 | 1.3 | 2.3 |
| 5 | 5.5 | 6.2 | 5.2 | 5.7 | 8.0 |
| 10 | 10.5 | 11.3 | 10.4 | 11.0 | 12.8 |
| 25 | 25.2 | 24.6 | 28.9 | 25.9 | 26.6 |
| 50 | 51.5 | 46.8 | 53.3 | 52.1 | 52.4 |
| 75 | 76.2 | 74.9 | 75.0 | 77.6 | 75.1 |
