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Homework #8 Problems 5 and 7 on Page 483 Problem #5 Business Issue: Where women buy their casual clothing most often. Business Question: Does the sample provide evidence that that women shoppeers in  atlanta differ from the shopping preferences expressed in the  US Shopper Data Base? Data: Source U.S. Shopper Database and The Wall Street Journal, also a survey  of 140 women, with k=6 Analysis: Hypotheses Ho: Population Proportions = US Shopper Database Ha: Test Statistic ChiSq =  Sum for all k categories of [(f - e)^2 / e] If Ho is true, then this statistic is ChiSq distributed with  DF = k-1 or 5 Sig. Level Alpha = .05 Reject Rule Reject Ho if Chiinv > 11.07 Calculations Brand: US Shop F's E's [(f - e)^2 / e] Walmart 24 42 28.8 6.050 Trad. Dpt. Store 11 20 13.2 3.503 JC Penny 8 8 9.6 0.267 Kohl's 8 10 9.6 0.017 Mail Order  12 21 14.4 3.03 Other 37 39 44.4 0.657 ChiSq =  13.518 P-Value =

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