MANN-WHITNEY U-TEST

SAMPLE 1 :
   SIZE? 4
   DATA 1 ? 1.234
   DATA 2 ? 9.2342
   DATA 3 ? 7.2323
   DATA 4 ? 7.45645

SAMPLE 2 :
   SIZE? 4
   DATA 1 ? 9.234234
   DATA 2 ? 8.665455
   DATA 3 ? 6.293842
   DATA 4 ? 3.202345


FIRST SAMPLE PRECEEDING, U = 9 
SECOND SAMPLE PRECEEDING, U = 7 
