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Study+Hints - to know the following formulas& Mean...

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Midterm 1 Study Hints Econometrics Fall, 2010 carefully. Questions similar to the practice problem set 1-1,1-2 will be asked in the second section. If you want to Exercises. The second section counts for 60pts. You must know (memorize) all formulas you used to solve the practice problems. In addition, you have
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Unformatted text preview: to know the following formulas: & Mean, variance and standard deviation of a linear function of a random variables & Marginal probability distribution & Conditional distribution, conditional expectation and conditional variance & Correlation & Mean and variance of sums of random variables & Sample variance, sample standard deviation, standard error, sample correlation 1...
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