Please provide SAS code with answers

Part II Dataset

trt pre post

A 11 6

A 9 1

A 5 2

A 14 8

A 19 11

A 6 4

A 10 13

A 6 1

A 11 8

A 3 0

B 6 0

B 6 2

B 7 3

B 8 1

B 18 18

B 8 4

B 19 14

B 8 9

B 5 1

B 15 9

C 16 13

C 13 10

C 11 18

C 9 5

C 21 23

C 16 12

C 12 5

C 12 16

C 7 1

C 12 20

Part II.Anexperimentwasconductedtostudytheeffectof3drugsinthetreatment ofleprosy.Thethreedrugsincludetwoantibiotics(AandB)andacontrol(C).Ten patientswereselectedforeachtreatment (Drug).Apretreatmentscoreandaposttreat-mentscoreofleprosybacilliweremeasuredforeachpatient.Thegoalistodetermine theeffectofdrugtreatmentsontheposttreatmentcountofbacilli.(data:leprosy.txt).

1.Ignoringthepretreatmentscore,useANOVAtotestwhetherthe3treat-mentsdiffersignificantly. Specifyyourhypothesis,teststatisticsanditsvalue, p-valueandconclusion.Iftheyarenotthesame,useTukey'smethodtoexplore thepairwisedifference.

2.Writedownthefittedmodelin(1),clarifyyournotations, andexplaintheestimatedvaluesinthemodel.

3.Fitanappropriatemodelandconducthypothesistestingtocheckthelinear relationshipbetweenposttreatmentandpretreatmentscores. Doweneedtouse pretreatmentscoreasacovariate?[Specifyyourmodel,hypothesis,teststatistics anditsvalue,p-valueandconclusion]

4.Conductahypothesistesttocheckwhetherthereisasignificantinteraction betweentreatmentandpretreatmentscores.Specifyyourmodel,hypothesis,test statisticsanditsvalue,p-valueandconclusion.

5.StateanANCOVAmodelthatcanbeusedtocomparethethreetreatments, controllingforthepretreatmentscore.Clarifyyournotations.

6.ConductanANCOVAtotestwhetherthe3treatmentsdiffer significantly, controllingforthepretreatment score.Specifyyourhypothesis,teststatistics, pvalueandconclusion.Iftheyarenotallthesame,useTukey's methodtosimultaneouslycompareallpossiblepairsoftreatmentsanddrawyour conclusion.

7.Comparetheresultsinquestions1and6andinterpretwhy theresultsdiffer.Whichcorrectlydescribestheeffectsofthe3treatments?