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# Calculating mean, range, variance and standard deviation

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The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.

a. Compute the mean for this sample. Show your work!!
b. Compute the range for this sample. Show your work!!
c. Compute the variance for this sample. Show your work!!
d. Compute the standard deviation for this sample. Show your work!!

https://brainmass.com/statistics/quantative-analysis-of-data/calculating-mean-range-variance-and-standard-deviation-308825

#### Solution Preview

Please refer attached file for better clarity of formulas.

a. Compute the mean for this sample. Show your work!! ...

#### Solution Summary

Solution depicts the methodology to calculate mean, range, variance and standard deviation for the given sample.

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