SCENARIO 18-2
One of the Most Common Questions of Prospective $\beta$

question 68

Multiple Choice

SCENARIO 18-2
One of the most common questions of prospective house buyers pertains to the cost of heating in dollars (Y) . To provide its customers with information on that matter, a large real estate firm used the following 4 variables to predict heating costs: the daily minimum outside temperature in degrees of Fahrenheit ( X₁ ) , the amount of insulation in inches ( X ₂ ) , the number of windows in the house ( X₃ ) , and the age of the furnace in years ( X ₄ ) . Given below are the EXCEL outputs of two regression models.


-Referring to Scenario 18-2,what is the value of the partial F test statistic for H₀ : $\beta$ ₃ = $\beta$ ₄ = 0 vs. H₁ : At least one $\beta$ _j $\neq$ 0,j = 3,4 ?

• A)0.820
• B)1.219
• C)1.382
• D)15.787

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