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What is Standard Deviation? As in what does it measure, is it a measure of spread of a graph of results?

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  1. Thank you for using the Jiskha Homework Help Forum. Here are some sites to try:

    1. http://en.wikipedia.org/wiki/Standard_deviation

    2. http://www.24hgold.com/printarticle.aspx?pagedest=227403&langue=en&viewarticle=True

    3. http://www.childrensmercy.org/stats/definitions/stdev.htm

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