Question
The following frequency table summarizes the distances in miles of 100 patients from a regional hospital....
The following frequency table summarizes the distances in miles
of 100 patients from a regional hospital.
Distance Frequency
0-4 20
4-8 25
8-12 30
12-16 20
16-24 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).
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The following frequency table summarizes the distances in miles of 100 patients from a regional hospital....
The following frequency table summarizes the distances in miles
of 100 patients from a regional hospital.
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Calculate the sample variance and standard deviation for this data
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