First calculate the sample mean

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Reference no: EM132137042

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: EM132137042

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