2. A multiple regression model involves 6 independent variables and a sample of 20 data points. If we want to test the validity of the entire model at the 5% significance level, the critical value is:
A. 2.85
B. 2.90
C. 2.92
D.3.06
df_numerator = k = 6
df_denominator = n-k-1 = 20-6-1 = 13
critical value, F(0.05, 6, 13)= 2.915
c. 2.92
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