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    Re: Standard Deviation Question
    From: Dave Walden
    Date: 2013 Jan 8, 05:33 -0800

    see Central Limit Theorem

    ***********************

    I certainly agree that the interpretation and use of the result may become very difficult if the distribution is "un-normal", but the formal definition of standard deviation is valid for any distribution. But to further elaborate on different estimations for expectation value and variance will definitely be off topic.
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