UNIVARIATEプロシジャ

data Score;
   input Student $ PreTest PostTest @@;
   label ScoreChange = 'Change in Test Scores';
   ScoreChange = PostTest - PreTest;
   datalines;
Capalleti  94 91  Dubose     51 65
Engles     95 97  Grant      63 75
Krupski    80 75  Lundsford  92 55
Mcbane     75 78  Mullen     89 82
Nguyen     79 76  Patel      71 77
Si         75 70  Tanaka     87 73
;

title 'Analysis of Score Changes';
ods select Frequencies;
proc univariate data=Score freq;
   var ScoreChange;
run;