01 Random Variables Slides - Transparencies

# 01 Random Variables Slides - Transparencies - Random...

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Random Variables Introduction to Econometrics Lecture Douglas G. Steigerwald UC Santa Barbara August 2010 D. Steigerwald (UCSB) Random Variables August 2010 1 / 11

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My Research Group 1 marine reserves 2 conservation banking 3 policing: safety or revenue 4 judicial independence and growth 5 legislative redistricting and polarization 6 speeding and gasoline prices 7 charity ratings and donations 8 anti-competitive behavior in Hawaii D. Steigerwald (UCSB) Random Variables August 2010 2 / 11
Summation Notation 2 j = 1 x j p j = x 1 p 1 + x 2 p 2 Product 2 j = 1 x j p j ± 2 = ( x 1 p 1 + x 2 p 2 ) 2 = x 1 p 1 x 1 p 1 + x 1 p 1 x 2 p 2 + x 2 p 2 x 1 p 1 + x 2 p 2 x 2 p 2 = x 1 p 1 2 j = 1 x j p j + x 2 p 2 2 j = 1 x j p j = 2 k = 1 x k p k 2 j = 1 x j p j = 2 k = 1 2 j = 1 x k p k x j p j D. Steigerwald (UCSB) Random Variables August 2010 3 / 11

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Location: Mean E random variable X takes
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01 Random Variables Slides - Transparencies - Random...

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