Find the variance and standard deviation

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Reference no: EM132782263

The table below gives the frequency distribution of the daily commuting time (in minutes) from home to work for all 40 employees of a company. Complete the table and find the variance and standard deviation.

Class frequency(f)
5 - 15 3
16 - 26 8
27 -37 9
38 -48 10
49 -59 6
60 -70 4

Reference no: EM132782263

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