Interactions exist between lot cost and type of home

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Reference no: EM132232974

A national homebuilder builds single-family homes and condominium-style townhouses. The Excel file House Sales provides information on the selling price, lot cost, type of home, and region of the country (M = Midwest, S = South) for closings during one month.

a. Develop a multiple regression model for sales price as a function of lot cost and type of home.

b. Determine if any interactions exist between lot cost and type of home, and find the best model.

c. Develop a regression model for selling price as a function of lot cost and region. (Note that the cat-egorical variable region has more than two levels.)

Reference no: EM132232974

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