ECN 102 Midterm: ECN 102 Midterm 1 Version A Winter 2014
Document Summary
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. 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. Questions 1-2 use stata output given at the end of this exam. For some questions the answer is given directly in the output. 1: for this question continue to use the information given at the end of the exam. Explain. (f ) suppose that instead of daily data from april 1998 to december 1998 we only had monthly data. 3. (a) consider a simple random sample of size 4 with values 2; 8; 5; 1. Compute the sample mean, variance and standard deviation.
