The following table shows, for eight vintages of select wine, purchases per buyer (y) and the wine
Question:
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a. Estimate the regression of purchases per buyer on the buyer€™s rating.
b. Interpret the slope of the estimated regression line.
c. Find and interpret the coefficient of determination.
d. Find and interpret a 90% confidence interval for the slope of the population regression line.
e. Find a 90% confidence interval for expected purchases per buyer for a vintage for which the buyer€™s rating is 2.0.
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a Regression Analysis ypurchases versus xrating The regression equation is ypurchases1185 85 903 xra...View the full answer
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Related Book For 
Statistics For Business And Economics
ISBN: 9780132745659
8th Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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