Question: In problem 12.8 on page 467, you used alcohol content to predict wine quality. Using the results of that problem: a. At the 0.05 level

In problem 12.8 on page 467, you used alcohol content to predict wine quality. Using the results of that problem:

a. At the 0.05 level of significance, is there evidence of a linear relationship between alcohol content and wine quality?

b. Construct a 95% confidence interval estimate of the population slope, β1.

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