/* Lesson 7-4 */
 /*    File Name = ttest01.sas   11/22/96   */

data zenin;
  infile 'all.dat';
  input seibetsu $ shintyou taijyuu kyoui kozukai jitaku $ daigaku $;

proc ttest data=zenin;
  class seibetsu;
  var shintyou taijyuu kyoui kozukai;
run;