Goodness‐of‐fit test for normality(e.g., Shapiro‐Wilk test)
p‐value > αpre (e.g., 10%):Do not reject H0 of normality
Parametric statistical test (e.g., two‐sample t test)
at significance level α (e.g., 5%)
p‐value ≤ αpre (e.g., 10%):Reject H0 of normality
Non‐parametric statistical test (e.g., Mann‐Whitney U test)
at significance level α (e.g., 5%)
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