/* Lesson 9-1 */ /* File Name = les0901.sas 06/29/00 */ options linesize=72 pagesize=20; data gakusei; infile 'all00.prn'; 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;