Discussion#8(due6/17)HypothesisTestsApplyingHypothesisTests1.Howwouldyouexplaintosomeonewhodoesn’tunderstandstatisticsthedifferencebetweenconfidenceintervalsandhypothesistesting?Theconfidenceintervalistheprobableintervalwithinwhichthepopulationparameterofinterestisexpectedtolie.Hypothesistestisthestatisticalprocedurethatchecksthevalidityofthestatementgivenonthepopulationparameterofinterestbaseduponthepointestimateofthatparameterobtainedfromasample.2.Findaresearcharticlethatusesahypothesistest.Giveeitherthereferenceforitorthewebsiteaddressatwhichyoufoundit.Discusswhattheresearchwastryingtoshow,aswellastheresultsfromthetest.Notethatothershavenotreadyourarticlesoyou’llneedtogivealittlebitofbackgroundinformation.http://www.jasnh.com/pdf/Vol10-No1-article1.pdfTheabovelinkdirectsustoanarticlethatisreportedtheresultsofatestfortheEffectofaBriefMusicInterventiononTestAnxietyandExamScoresinCollegeUndergraduates.Theresearchwastryingtotesttheclaimthatthereisaneffectformusicontestanxiety,buttheresultsindicatedthatthereisnosignificanteffect.Thefinalresultsoftheresearchareasstatedbelow:Discussion#9(due6/19)1.Youareconductingahypothesistest,justaswedidinmodule8.Howdothetestsyoujustlearnedaboutdifferfromthoseinmodule7?Thetests from those in module 7 are based upon single sample.The testsin module 8 are bases upon two-samples and more than two samples.2.Giveanexampleoftwocategoricalvariablesthatyoubelievewouldbedependentoneachother.Preview Mode
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