data scores;                            
   input gender $ score @@;             
   cards;                               
f 75  f 76  f 80  f 77  f 80  f 77  f 73
m 82  m 80  m 85  m 85  m 78  m 87  m 82
;                                       
                                        
proc ttest cochran;                     
   class gender;                        
   var score;                           
   title 'GOLF SCORES';                 
run;