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5 Cards in this Set
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- Back
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Population Variance =≴2
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≴₂ = ∑(X-μ)2/N
μ= POPN MEAN, N= size of the popn |
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Population std deviation =≴
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≴=√ ∑(X-μ)2/N
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Sample Variance =s^2
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s^2 = ∑(X-XBAR)^2/n-1
Xbar is sample mean |
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Sample std deviation = s
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s= √X-XBAR)^2/n-1
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chebyshev inequality
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1-1/k2 for all k>1
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