A Regression Model Between Sales (Y in $1000), Unit Price

Multiple Choice

A regression model between sales (y in $1000) , unit price (x₁ in dollars) , and television advertisement (x₂ in dollars) resulted in the following function: ​ = 7 - 3x₁ + 5x₂​​
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For this model, SSR = 3500, SSE = 1500, and the sample size is 18. If we want to test for the significance of the regression model, the critical value of F at the 5% level of significance is​

A) ​3.68.
B) ​3.29.
C) ​3.24.
D) ​4.54.