ECON 388 Midterm: BYU ECON 388 e388_06_Spr_Exam1
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First exam: economics 388, econometrics spring 2006 in r. butler"s class. Section i (30 points) questions 1-10 (3 points each) Section ii (40 points) questions 11-15 (10 points each) Section iii (30 points) question 16 (20 points each) Some concepts: indicate whether the following statement is true, false or uncertain and explain why. Let there be n observations and k regressors in the standard linear regression model. + will be (something of a hint: the uncentered r-square can be written. Yd after the transformations. : indicate whether the following statement is true, false or uncertain and explain why. You are graded only on the explanation for your answer. Suppose the multiple regression model is partitioned as. X=[ x1 x2], and x1 the restricted regression space (where 2 =0 is imposed). Then the sum of squared residuals from unrestricted regression will be greater then the sum of squared residuals from the restricted regression, that is.
