Question: you developed a regression model to predict wine quality (scored from 1 to 10) based on alcohol content (%). You now wish to determine whether

you developed a regression model to predict wine quality (scored from 1 to 10) based on alcohol content (%). You now wish to determine whether wine color (red or white) has an effect on quality. Develop a multiple regression model to predict wine quality based on alcohol content and wine color. Data are stored in the fileVinhoVerde-RedandWhite

quality = a + b1 (Alcohol) + b2(color)

Suppose you believe the relationship between alcohol content and wine quality is non-linear. How could we alter our original model to account for that possibility?

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