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Sale price, retail price, multiple regression model and more...

Only need help on 3, 4, 5, 6, 8, 9, 15

3. What factors affect the sale price of oceanside condomonium units?

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3) Because Model 2 has more explanatory variables than model 3, its goodness of fitness should be better than model 3, and therefore R squared 3 < R squared 2. (C)

4) since one extra term is added to the model, it must ...

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