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    standard deviation formula

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    Returns for the Shields Company over the last 3 years are shown below. What's the standard deviation of Shields' returns? (Hint: This is a sample, not a complete population, so the sample standard deviation formula should be used.)

    Year
    Return

    2006
    21.50%

    2005
    -12.50%

    2004
    24.20%

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    https://brainmass.com/economics/finance/standard-deviation-formula-195000

    Solution Summary

    Apply the standard deviation formula for this case.

    $2.19