Selectthecorrectresponse:Thereasonweusea z~2 normal quantilescoreinconstructinga confidence intervalforaproportionisthat: (a) Forlargerandomsamples,thesamplingdistributionofthesampleproportionisapprox- imately normal. (b) Thepopulationdistributionisapproximatelynormal. (c) Forlargerandomsamples,thesampledatadistributionisapproximatelynormal. (d) Ifindoubtaboutthepopulationdistribution,itissafesttoassumethatitisthenormal distribution.
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Selectthecorrectresponse:Thereasonweusea zα~2 normal quantilescoreinconstructinga confidence intervalforaproportionisthat:
(a) Forlargerandomsamples,thesamplingdistributionofthesampleproportionisapprox-
imately normal.
(b) Thepopulationdistributionisapproximatelynormal.
(c) Forlargerandomsamples,thesampledatadistributionisapproximatelynormal.
(d) Ifindoubtaboutthepopulationdistribution,itissafesttoassumethatitisthenormal distribution.
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ISBN: 9780367748456
1st Edition
Authors: Alan Agresti
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