Good evening,
I have a problem i can't solve. The data is:
n=25
Y_i= Beta1 + Beta2 * x_i + Beta3 * z_i + epsilon_i
B_hat = (2.341 1.616 0.014)
SSR= 233.726
SST= 5843.15
sqrt(X*Xt)^(-1)_(3,3)= 0.00107 (square root of the bottom right coefficient of the (X*Xt)^(-1) matrix).
The questions i'm on...