NAG Library Manual, Mark 27.2
Interfaces:  FL   CL   CPP   AD 

NAG FL Interface Introduction
Example description

 G08AHF 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
 Approx. tail probability =     0.0025

 There are ties in the pooled sample

 Exact tail probability   =     0.0020