Standard deviation of grouped frequency data

Reference no: EM1392783

The following frequency table summarizes the ages of 100 shoppers at the local grocery store. Compute the sample variance and standard deviation for this data set. Please show your work in Excel.

Age of the shopper Frequency
15-25 15
25-35 30
35-45 25
45-55 15
55-65 10
65-75 5

Reference no: EM1392783

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Standard deviation of grouped frequency data : The following frequency table summarizes the ages of 100 shoppers at the local grocery store. Compute the sample variance and standard deviation for this data set. Please show your work in Excel.

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