ttest3.sas

SAS for Windows统计分析系统教程,里面有源码

options nodate nonumber;
data ttest3;
  input caco3@@;y=caco3-20.7;
cards;
20.99 20.41 20.10 20.00 20.91 22.60 20.99 20.41 20.00 23.00 22.00
;
proc means mean stderr t prt;
  var y;
run;