Here is my code:   TITLE "Hypothesis Test"; data responses; input circuittype$ responsetime@@; cards; 1 9 1 12 1 10 1 8 1 15 2 20 2 21 2 23 2 20 2 30 3 6 3 15 3 8 3 16 3 7 ; run;   TITLE 'Data'; proc print data = responses (obs=15); run;   proc means data = responses N MEAN MEDIAN VAR; class circuittype; var responsetime; run;   TITLE 'One Way ANOVA' Title; ods noproctitle; ods graphics / imagemap=on;   proc glm data=WORK.RESPONSES plots(only)=(boxplot diagnostics); class circuittype; model responsetime=circuittype; means circuittype / hovtest=levene welch plots=none; lsmeans circuittype / adjust=tukey pdiff alpha=.01 plots=(meanplot diffplot); run; ... View more

UPDATE:  I think I may have figured out Tukey's Test for Question 1, I used a One Way ANOVA.  Is that right?  I am attaching my code.  As for question 2, I am confused about the whole process besides inputting the data.   ... View more