* systolic blood pressure experiment;  * chapter 8;
OPTIONS LINESIZE=75;
DATA SBP;
 INPUT JOG SBP ORDER;
 LINES;
 10 120   1     
 10 118   9     
 20 125   2     
 20 126   4                
 20 123   8        
 25 127  10     
 30 128   3     
 30 131   7      
 40 137   5     
 50 143   6      
;