Question: Use software with the Houses data file to allow interaction between number of bedrooms and number of bathrooms in their effects on selling price. (a)

Use software with the Houses data file to allow interaction between number of bedrooms and number of bathrooms in their effects on selling price.

(a) Interpret the fit by showing the prediction equation relating

ˆy and number of bedrooms for homes with (i) two bathrooms, (ii) three bathrooms.

(b) Test the significance of the interaction term.

Interpret.

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