data a;
input b $2. num;
cards;
B1 3.5
B1 2.6
B1 2.0
B1 1.4
B2 2.3
B2 2.0
B2 1.5
B2 0.8
B3 2.0
B3 1.9
B3 1.2
B3 0.3
;
run;
proc anova data=a;
class b;
model num=b;
means b / tukey;
run;
quit;