observation 29th (listprice=3125) has a high price and needs to be excluded from the analysis

d) by doing a power transformation what power will choose for living area? for the rest of questions, choose and use selected transformed as dependent variable

e) choose a best subset model

f) use weighted least squares method for the best submodel (part e) whether it is necessay or not. when should weighted least square be used?

g) what is the final model. comment on this