Question: In problem 13.6 on page 510, you developed a multiple regression model to predict wine quality for red wines. Now, you wish to determine whether

In problem 13.6 on page 510, you developed a multiple regression model to predict wine quality for red wines. Now, you wish to determine whether the type of wine – white (0) or red (1) – has an effect on wine quality. These data are organised and stored in < VINHO_VERDE_RED_AND_WHITE >.

Develop a multiple regression model to predict wine quality based on the percentage of alcohol and the type of wine. For

(a)–(m), do not include an interaction term.

a. State the multiple regression equation that predicts wine quality based on the percentage of alcohol and the type of wine.

b. Interpret the regression coefficients in (a).

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