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Standard deviation calculation by frequency table

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

Solution Summary

This shows how to find standard deviation of given data.

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