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Unformatted text preview: x = i x i f ( x i ) Standard deviation of a discrete random variable: x = p i ( x i- ) 2 f ( x i ) Mean of an empirical distribution: x = i x i h ( x i ) Standard deviation of an empirical distribution: s = q n n-1 ( i ( x i- x ) 2 h ( x i )) Binomial probability formula: f ( x ) = ( n x ) p x (1-p ) n-x Mean of a binomial random variable: = np Standard deviation of a binomial random variable: = p np (1-p ) 1...
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This note was uploaded on 12/28/2010 for the course ECON 41 taught by Professor Guggenberger during the Fall '07 term at UCLA.
- Fall '07