Skip to main content
. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Am Stat. 2018 May 10;73(1):43–49. doi: 10.1080/00031305.2017.1328375

Table 6.

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