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===Mann-Whitney U test===
 
===Mann-Whitney U test===
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The Mann-Whitney U test (also known as the Wilcoxon Rank Sum test) is commonly used for the comparison of two groups where the variable of interest is continuous but not normally distributed for at least one group.
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==Comparing a quantitative variable between more than two groups==
 
==Comparing a quantitative variable between more than two groups==
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