TABLE 14-4
A real estate builder wishes to determine how house size (House) is influenced by family income (Income) , family size (Size) , and education of the head of household (School) . House size is measured in hundreds of square feet, income is measured in thousands of dollars, and education is in years. The builder randomly selected 50 families and ran the multiple regression. Microsoft Excel output is provided below: 
-Referring to Table 14-4, what are the regression degrees of freedom that are missing from the output?
Definitions:
Compound
A substance formed from two or more elements chemically united in fixed proportions.
Chloromethane
A colorless, flammable gas with a slight sweet odor, used in the production of silicones and butyl rubber.
Ethyne
A hydrocarbon compound with the formula C2H2, also known as acetylene, used as a fuel and a chemical building block.
Double Bonds
Chemical bonds between two chemical elements involving four bonding electrons instead of the usual two.
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Q330: Referring to Table 14-15, the null hypothesis