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Homework 2

# Homework 2 - Hint assume that no matter what the true mean...

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ECONOMETRICS, 01:220:322:13 Instructor: Adam Gulan Spring 2008 HOMEWORK #2 (due on 03/24/2008) Please answer all questions. I expect you to provide all necessary derivations. Reporting only the ultimate answer counts as zero points. 1. Solve problem 3.1 from your textbook. 2. Solve problem 3.9 from your textbook.
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Unformatted text preview: Hint: assume that no matter what the true mean is, the standard deviation remains the same. 3. Show that is a biased estimator of . Hint: first add and substract , the true population mean. Later use the fact that . You should conclude that . 4. Solve problem 3.16 from your textbook....
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