QUESTION 4 Consider the following regression model and corresponding output for a dataset with n = 20 observations y-Bi + B2 X 2 + B x + Baxa + Boxstu Variable B Std. Error 1 p> -0.01264 0.005519 2.28937 0.022 X3 0.595792 0.014482 41.13934 0.000 X4 1.124589 0.877192 1.282032 0.200 X5 0.323742 0.060709 5.332661 0.000 Constant 8.8602 1.7661 5.0167 0.000 What is the critical value tc for the 90% confidence interval for B2? 01.725 Ob 1.325 O 1.753 O d. 1.341