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    Standard deviation calculation by frequency table

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    Find the standard deviation of the data in the given frequency table.

    A company had 80 employees whose salaries are summarized in the frequency table below. Find the standard deviation.

    Salary Employees
    5001-10000 17
    10001-15000 16
    15001-20000 20
    20001-25000 15
    25001-30000 12

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    Solution Summary

    This shows how to find standard deviation of given data.