TABLE 14-4 A Real Estate Builder Wishes to Determine How House Size

Short Answer

TABLE 14-4
A real estate builder wishes to determine how house size (House)is influenced by family income (Income)and family size (Size).House size is measured in hundreds of square feet and income is measured in thousands of dollars.The builder randomly selected 50 families and ran the multiple regression.Partial Microsoft Excel output is provided below: Also SSR (X₁ ∣ X₂)= 36400.6326 and SSR (X₂ ∣ X₁)= 3297.7917
-Referring to Table 14-4,the partial F test for
H₀ : Variable X₂ does not significantly improve the model after variable X₁ has been included
H₁ : Variable X₂ significantly improves the model after variable X₁ has been included
has ________ and ________ degrees of freedom.