Mann Whitney U test

Small sample

Steps

for example of data set:

Test the hypothesis of no difference between the ages of male and female employees of a certain company, using the Mann-Whitney U test for the sample data below. Use alpha = 0.1.

Male	35	43	26	44	40	42	33	38	25	26
Female	30	41	34	31	36	32	25	47	28	24

• Goto variable view and add the variables

  

  Variable view

  • in label

    

    label
• Goto the data view and add the data

  

  data view
• Click on Analyze tab > NonParametric Tests > Legacy Dialogs > 2 Independent Samples.

  

  Step
• Add the required variable in Test Variable List and click Options.

  

  Dialog
• Manage Group1 and Group 2 and click Continue.

  

  Dialog
• Required Output:

  

  Output