/* Lesson 10-1 */
 /*    File Name = les1001.sas   06/24/04   */
options linesize=72 pagesize=20;

data gakusei;
  infile 'all04a.prn'
    firstobs=2;
  input sex $ shintyou taijyuu kyoui 
        jitaku $ kodukai carryer $ tsuuwa;

if sex^='M' & sex^='F' then delete;

proc print data=gakusei(obs=10);
run;
proc ttest data=gakusei;
  class sex;
  var shintyou taijyuu kyoui kodukai;
run;