CSIT_Labs

Mann Whitney U test

Large sample

Steps

for example of data set:

The following are the scores which random samples of students from 2 minority groups obtained on a current event test:

Minority Group I	73	82	39	68	91	75	89	67	50	86	57	65	70
Minority Group II	51	42	36	53	88	59	49	66	25	64	18	76	74

Use the Mann-Whitney U test at the 0.05 level of significance to test whether the two groups differ significantly in their scores on the test.

• Goto variable view and add the variables

• Goto the data view and add the data

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

  

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

  

• Tick Descriptives and Quartiles and click Continue.

  

• Required Output: