AresearchstudyfundedbyWobegonSpringsMineralWater,Inc.,discoversthatchil- dren withdentalproblemsarelesscommoninfamiliesthatregularlybuybottledwater than infamiliesthatdonot.Explainwhythisassociationneednotreflectacausal link betweendrinkingbottledwaterandhavingfewerdentalproblems.Identifylurking variablesthatcouldberesponsiblefortheresult,andexplainhow.
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AresearchstudyfundedbyWobegonSpringsMineralWater,Inc.,discoversthatchil-
dren withdentalproblemsarelesscommoninfamiliesthatregularlybuybottledwater than infamiliesthatdonot.Explainwhythisassociationneednotreflectacausal link betweendrinkingbottledwaterandhavingfewerdentalproblems.Identifylurking variablesthatcouldberesponsiblefortheresult,andexplainhow.
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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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