Question

Delta is one of the largest airlines in the world and also has one of the oldest fleets of planes. The following data represent the age, in years, of a sample of eight planes from Delta’s fleet.
17 22 8 19 20 21 7 14
a. Calculate the range for this sample.
b. Calculate the variance for this sample.
c. Calculate the standard deviation for this sample.


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  • CreatedJuly 17, 2015
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