In a Multiple Regression Model Involving 45 Observations, the Following

Multiple Choice

In a multiple regression model involving 45 observations, the following estimated regression equation was obtained: = 30 + 18x₁ + 43x₂ + 87x₃+ 90x₄ ​
For this model, SSR = 800 and SST = 1400. Give degrees of freedom for the F critical value α = .05.

A) 2.6060
B) 2.7581
C) 28.387
D) 1.9600