# Recent content by josass

1. ### Nullity test

Ok i'll keep thinking then :) thanks anyway
2. ### Nullity test

Yes sorry, the null hypothesis test. Here it would be H0: Beta_2 = Beta_3 = 0. Thanks for the answer
3. ### Nullity test

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...