data tomato;
 infile 'c:/Documents and Settings/pdixon.IASTATE/My Documents/tomato.txt';
 input group $ yield;
 
 run;

proc boxplot;
  plot yield*group;
  title 'High resolution boxplots for each group';
  
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;