The Income data fileatthebookswebsiteshowsannualincomesinthousandsofdollarsfor subjectsinthreeracial-ethnicgroupsintheU.S. (a) Useagraphicsuchasaside-by-sideboxplot(Section 1.4.5) tocompareincomesofBlack, Hispanic, andWhitesubjects. (b) Treatingthesampleasrandomandassumingequalpopulationvariances,constructand interpreta90%confidenceintervalforthedifferencebetweenthepopulationmeanin- comes ofBlacksandWhites. (c)
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The Income data fileatthebook’swebsiteshowsannualincomesinthousandsofdollarsfor subjectsinthreeracial-ethnicgroupsintheU.S.
(a) Useagraphicsuchasaside-by-sideboxplot(Section 1.4.5) tocompareincomesofBlack, Hispanic, andWhitesubjects.
(b) Treatingthesampleasrandomandassumingequalpopulationvariances,constructand interpreta90%confidenceintervalforthedifferencebetweenthepopulationmeanin-
comes ofBlacksandWhites.
(c) Usesoftwaretoconstructtheintervalwithouttheequalvarianceassumption,andcompare results.
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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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