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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Creative Confectioners is planning to introduce a new brownie. A small-scale “taste test” was conducted to assess consumer’s preferences (Y) with regard to moisture content (X1) and sweetness (X2). Data from the taste test may be found in the file Dat9-15.xlsx that accompanies this book.
a. Prepare a scatter plot of moisture content versus preference. What type of relationship does your plot suggest?
b. Prepare a scatter plot of sweetness versus preference. What type of relationship does your plot suggest?
c. Estimate the parameters for the following regression function:
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What is the estimated regression function?
d. Using the estimated regression function in part c, what is the expected preference rating of a brownie recipe with a moisture content of 7 and a sweetness rating of 9.5?
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