Question: The following table shows the frequency distribution for the mileage on a sample of Avis rental cars: a. Calculate the approximate average mileage per car

The following table shows the frequency distribution for the mileage on a sample of Avis rental cars:

Frequency 16 Mileage 5,000 to under 6,000 6,000 to under 7,000 7,000

a. Calculate the approximate average mileage per car for the sample.

b. Calculate the approximate variance and standard deviation for the sample.

Frequency 16 Mileage 5,000 to under 6,000 6,000 to under 7,000 7,000 to under 8,000 8,000 to under 9,000 9,000 to under 10,000 10,000 to under 11,000 10 15

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