1. For each of the following, determine whether the statement is true or false and provide a brief explanation of your answer. (a) The SSR from a restricted model cannot be smaller than the SSR from the unrestricted model. (b) The t test can be used to test multiple linear restrictions. (c) When the standard error of an estimate, Bj, decreases (all else unchanged), the confidence interval for B, narrows down. (a) Consider the regression model, y = Bo + B18+ B2X2 + u. Suppose that B> 0, B, 0, B,