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    Finding Mid Range, Standard Deviation and Variance

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    Monthly sales figures for a store are as follows:

    Jan $62k Feb $71k Mar $68k Apr $47k
    May $71k Jun $69k Jul $80k Aug $75k
    Sept $87k Oct $77k Nov $63k Dec $70k

    Find the:
    b.Standard Variance
    c.Standard Deviation

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    Solution Preview

    Please refer attached file for complete solution. Expressions typed with the help of equation writer are missing here.

    a. ...

    Solution Summary

    The solution describes the steps to calculate mid range, standard deviation and variance of given data.