Atauniversity,60%ofthe7400studentsarefemale.Thestudentnewspaperreportsresultsof a surveyofasimplerandomsampleof50students,18femalesand32males,tostudyalcohol abuse, suchasbingedrinking. (a) Setupavariable Y to representgender,andidentifyitsprobabilitydistributionforthe populationofstudentsatthisuniversity. (b) Statethesampledatadistributionofgenderforthissample. (c) Describetheshape,center,andspreadofthesamplingdistributionofthesamplepropor- tion offemalesforarandomsampleofsize50.Ifthesampleweretrulyrandom,wouldit
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Atauniversity,60%ofthe7400studentsarefemale.Thestudentnewspaperreportsresultsof a surveyofasimplerandomsampleof50students,18femalesand32males,tostudyalcohol abuse, suchasbingedrinking.
(a) Setupavariable Y to representgender,andidentifyitsprobabilitydistributionforthe populationofstudentsatthisuniversity.
(b) Statethesampledatadistributionofgenderforthissample.
(c) Describetheshape,center,andspreadofthesamplingdistributionofthesamplepropor-
tion offemalesforarandomsampleofsize50.Ifthesampleweretrulyrandom,wouldit besurprisingtosampleonly18females?
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Foundations Of Statistics For Data Scientists With R And Python
ISBN: 9780367748456
1st Edition
Authors: Alan Agresti
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