ECON 113 Midterm: Winter 05 Midterm 2 Version A
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The exam is closed book and closed notes you may use calculators. You must show your work to receive full credit: we are interested in the determinants of how much sleep a person gets. We run the following regression where sleep and total work are measured in minutes per week and age is measured in years, and young_kids is the number of young kids. (assumptions 1-6 hold) Sour c e | ss df ms number of obs = 706. 812: conduct a 2-sided test at the 5% level to determine if a person s age affects the amount they sleep. 1 :h: please interpret the results of the t-test you just conducted. Do older people sleep more than, less than or the same amount as younger people? (5 points) Please conduct a one sided t-test at the 5% level. Which side should you conduct the one sided test on and why? (10 points)
