Question

In Problem 13.5 on page 470, you used the percentage of alcohol and chlorides to predict wine quality (stored in VinhoVerde). Use the results from that problem to do the following:
a. Determine whether there is a significant relationship between wine quality and the two independent variables (percentage of alcohol and chlorides) at the 0.05 level of significance.
b. Interpret the meaning of the p value.
c. Compute the coefficient of multiple determination, r2, and interpret its meaning.
d. Compute the adjusted r2.


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  • CreatedJuly 16, 2015
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