formula1 - STAT 511 Midterm 1 Formula Sheet n Sample mean y...

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STAT 511 Midterm 1 Formula Sheet Sample mean 1 n i i y y y nn  Sample   1 1 variance 2 1 2 1 2 2 n y n y n y y s n i i n i i Sample standard deviation (SD)   1 1 2 1 2 1 2 n y n y n y y s n i i n i i , ! ( )! kn n P nk , , ! ! !( n P n k k k n k    Binomial distribution , Y ~ Bin(n,p)
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