Mann Whitney U Test (Free Access)

Mann-Whitney U Test

  • If the data for the variable is not normally distributed, consists of independent samples, and has 1 IV with group comparison between two groups a Mann-Whitney U Test is used
  • Method:
    • Analyze
    • Nonparametric tests
    • Independent Samples
    • Objective: Automatically compare distributions across groups
    • Fields: Move variable to test fields and sample to groups
    • Settings: Leave as is
    • Click on run


  • A box will appear which will show significance
  • If its below <0.05, you can conclude that there’s a significant difference between the two groups. Additionally, the colour of the box will be yellow if there’s a significant difference