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Calculate the sample variance and standard deviation

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Reference no: EM132138199

The following frequency table summarizes the distances in miles of 100 patients from a regional hospital.

Distance Frequency

0-2 30

2-4 35

4-6 20

6-8 10

8-10 5

Calculate the sample variance and standard deviation for this data (since it is a case of grouped data- use group or class midpoints in the formula in place of X values, and first calculate the sample mean).

Reference no: EM132138199

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