Elementary Statistics: Picturing the World, 7th Edition Test Bank

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Chapter1IntroductiontoStatistics1.1AnOverviewofStatistics1DistinguishBetweenaPopulationandaSampleMULTIPLECHOICE.Choosetheonealternativethatbestcompletesthestatementoranswersthequestion.Determinewhetherthedatasetisapopulationorasample.1) TheageofeveryfourthpersonenteringadepartmentstoreA) sampleB) population2) TheageofeachemployeeatalocalgrocerystoreA) populationB) sampleSHORTANSWER.Writethewordorphrasethatbestcompleteseachstatementoranswersthequestion.Identifythepopulationandthesample.3) Asurveyof1212Americanhouseholdsfoundthat52%ofthehouseholdsownacomputer.4) When1348Americanhouseholdsweresurveyed,itwasfoundthat57%ofthemownedtwocars.5) Asurveyof2625elementaryschoolchildrenfoundthat28%ofthechildrencouldbeclassifiedasobese.MULTIPLECHOICE.Choosetheonealternativethatbestcompletesthestatementoranswersthequestion.UsetheVenndiagramtoidentifythepopulationandthesample.6)A) Population:Magazinesubscribers;Sample;MagazinesubscriberswhorenewtheirsubscriptionB) Population:Magazinesubscriberswhorenewtheirsubscription;Sample:Magazinesubscribers2DistinguishBetweenaParameterandaStatisticSHORTANSWER.Writethewordorphrasethatbestcompleteseachstatementoranswersthequestion.Determinewhetherthenumericalvalueisaparameterorastatistic.Explainyourreasoning.7) Arecentsurveybythealumniofamajoruniversityindicatedthattheaveragesalaryof10,500ofits200,000graduateswas$130,000.8) Theaveragesalaryofallassembly-lineemployeesatacertaincarmanufactureris$44,000.9) Asurveyof1040studentswastakenfromauniversitywith19,000 students.Page1

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Elementary Statistics: Picturing Th...

Elementary Statistics: Picturing the World, 7th Edition Test Bank

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