ECN 102 Midterm: ECN 102 Midterm 2 Version A Spring 2016
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Total of 30 points and worth 22. 5% of course grade. Read question carefully so you answer the question. You are to use only simple calculations (+, -, /, *, square root) and show all workings. Do not use calculators with graphical or statistical analysis capabilities. For computations (cid:12)nal answers should be to at least four signi(cid:12)cant digits. You may remove the formula sheet and the stata output sheet(s) at end of exam. 3a 3b 3c 3d 3e 3f m ult: choice. In what sense is the term \best" being used here. A simple answer will do (there is no need for any algebra). (d) you regress the z-scores for variable y on the z-scores for variable x and obtain a slope estimate of 0:6. Provide a simple interpretation of this slope coe(cid:14)cient estimate. (e) provide the general de(cid:12)nition of a type 1 error. Question 2 uses stata output given at the end of this exam.
