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P-values for the data examples. For the WMW test, the p-value is determined by the normal approximation when either m or n exceeds 50 and by exact distribution otherwise; for the FP or combined (C) test, the p-value is determined by the method indicated for MTCT, and by permutation for air quality.
| WMW | FP | C | |
|---|---|---|---|
| MTCT (normal approx.) | 0.0396 | 0.0661 | 0.0405 |
| MTCT (permutation) | 0.0396 | 0.0707 | 0.0467 |
| Air Quality 1 | 0.0711 | 0.0420 | 0.0422 |
| Air Quality 2 | 0.0181 | 0.0333 | 0.0333 |
