A Multiple Regression Model Involves 10 Independent Variables and 30 $\neq$

Multiple Choice

A multiple regression model involves 10 independent variables and 30 observations.If we want to test at the 5% significance level whether one of the coefficients is = 0 (vs. $\neq$ 0) the critical value will be:

A) 2.228
B) 2.093
C) 1.729
D) 1.697