G08AKF Example Program Results
Mann-Whitney U test
Sample size of group 1 = 16
Sample size of group 2 = 23
Data values
Group 1 13.0 6.0 12.0 7.0 12.0 7.0 10.0 7.0
10.0 7.0 16.0 7.0 10.0 8.0 9.0 8.0
Group 2 17.0 6.0 10.0 8.0 15.0 8.0 15.0 10.0
15.0 10.0 14.0 10.0 14.0 11.0 14.0 11.0
13.0 12.0 13.0 12.0 13.0 12.0 12.0
Test statistic = 86.0000
Normal statistic = -2.8039
Tail probability = 0.0025
Ranks
Group 1 29.5 1.5 24.5 5.0 24.5 5.0 16.0 5.0
16.0 5.0 38.0 5.0 16.0 9.5 12.0 9.5
Group 2 39.0 1.5 16.0 9.5 36.0 9.5 36.0 16.0
36.0 16.0 33.0 16.0 33.0 20.5 33.0 20.5
29.5 24.5 29.5 24.5 29.5 24.5 24.5
Exact tail probability = 0.0020