Glossary items: click on the icon to go directly to the glossary entry

 

You should use a Mann-Whitney U test when:

  • You are looking for a difference between two samplesglossary item: Sample
  • The data in the samples are measured at ordinalglossary item: Ordinal data or scaleglossary item: Scale data level
  • The data are unrelatedglossary item: unrelated data

 

Do not use this test when:

  • You want to compare frequency distributionsglossary item: Frequency Distribution