data tomato;
 infile 'tomato.txt';
/* If you haven't changed the current folder, you need the full */
/*  pathname in the infile command, i.e something like */
/*  infile 'c:/Documents and Settings/pdixon.IASTATE/My Documents/tomato.txt';
/* the details depend on XP or Vista and computer setup */
 
 input group $ yield;
 
 run;

proc boxplot;
  plot yield*group;
  title 'High resolution boxplots for each group';
run;
       
proc ttest;
  class group;
  var yield;
  title 'T-test of tomato yield';
run;
     
proc glm;
  class group;
  model yield =  group;
  title 'One-way ANOVA of tomato yield';
run;