***************************************************
* PROC TTEST (Independent Group)                  *
***************************************************;
DATA TTEST;
INPUT GROUP OBS;
DATALINES;
   1   20.00
   1   23.00
   1   32.00
   1   24.00
   1   25.00
   1   28.00
   1   27.50
   2   25.00
   2   46.00
   2   56.00
   2   45.00
   2   46.00
   2   51.00
   2   34.00
   2   47.50
;
ODS RTF;
ODS GRAPICS ON;
PROC TTEST;
     CLASS GROUP; VAR OBS;
     Title 'Independent Group t-Test Example';
RUN;
PROC BOXPLOT;PLOT OBS*GROUP;
RUN;
ODS RTF CLOSE;
ODS GRAPHICS OFF;