Skip to main content

Advertisement

Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Table 2 The true Prob(X<Y) for each scenario in the simulation study

From: t-tests, non-parametric tests, and large studies—a paradox of statistical practice?

  Gamma distributions   Lognormal distributions
  Skewness   Skewness
Std.ratio 1.0 2.0 3.0 4.0   1.0 2.0 3.0 4.0
1.05 0.50 0.51 0.54 0.58   0.50 0.51 0.51 0.51
1.10 0.51 0.52 0.56 0.61   0.51 0.51 0.52 0.52
1.15 0.51 0.53 0.57 0.62   0.51 0.52 0.53 0.53
1.20 0.52 0.54 0.58 0.64   0.52 0.53 0.53 0.54
1.25 0.52 0.54 0.59 0.64   0.52 0.53 0.54 0.56
1.30 0.52 0.55 0.60 0.66   0.52 0.53 0.55 0.55
1.40 0.53 0.56 0.61 0.67   0.52 0.54 0.56 0.57
1.50 0.53 0.57 0.62 0.68   0.53 0.55 0.56 0.58