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What is the approximate variance for miles per gallon

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Smith Motors currently has 50 cars in their inventory. The following table shows the number of cars in each class of combined city and highway miles per gallon

Miles per Gallon Number of Cars

10 to under 15 . 9

15 to under 20 23

20 to under 25 15

25 to under 30 seconds 3

What is the approximate variance for miles per gallon for cars from this population?

Reference no: EM132372693

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