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Suppose we havefour categoriesA,B,CandD.Assumethatthepercentageofobservationsineachcategoryisequal.Asampleof size500istaken,andwefind 100 incategoryA, 100 incategoryB,140incategoryCand160incategoryD. a.WhichChi-squaretestisappropriateinthissituation?Explain. b.Whataretheexpectedfrequenciesforeachcategory? c. Calculate the 2 statistic. d. State your conclusion at = .01.

Suppose we havefour categoriesA,B,CandD.Assumethatthepercentageofobservationsineachcategoryisequal.Asampleof size500istaken,andwefind 100 incategoryA, 100 incategoryB,140incategoryCand160incategoryD.

a.WhichChi-squaretestisappropriateinthissituation?Explain.

b.Whataretheexpectedfrequenciesforeachcategory?

c. Calculate the 2 statistic.

d. State your conclusion at = .01.

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