Question: A multiple regression analysis investigates the relationship between Y = college GPA and several explanatory variables, using a random sample of 195 students at Slippery

A multiple regression analysis investigates the relationship between Y = college GPA and several explanatory variables, using a random sample of 195 students at Slippery Rock University. First, high school GPA and total SAT score are entered into the model. The SSE is 20. Next, parents' education and parents' income are added, to determine if they have an effect, controlling for high school GPA and SAT. For this expanded model SSE = 19. Test whether this second model is significantly better than the previous one containing only high school GPA and SAT at = .01.

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