/* Lesson 10-1 */
 /*    File Name = les1001.sas   09/30/99   */

options linesize=72 pagesize=20;

data gakusei;
  infile 'all99.dat';
  input seibetsu $ height weight chest jitaku $ kodukai;

proc print data=gakusei(obs=10);
run;

proc ttest data=gakusei;
  class seibetsu;
  var height weight chest kodukai;
run;