Question: Delta is one of the largest airlines in the world

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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