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I don't understand that this giant E does.
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Sample Standard Deviation

Prove the following:

s\;=\;\sqrt{\frac{1}{n-1}\sum\limits_{i=1}^{b}(x_i - \bar{x})^2}

edited Jun 21 '19 at 03:59 Asked Jun 18 '19 at 20:03 by Lucy
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