Solve.To best determine the fuel economy of a particular car model, an automotive technician calculates the mean gas mileage for 20 full tanks of gas.(a) Use classes of 1.0 mi/gal, beginning with 19.0 - 19.9 mi/gal, to compute the mean fuel economy (in miles per gallon) from the following data:20.419.622.520.522.119.820.520.219.020.619.821.719.921.520.719.621.419.319.421.5(b) At $3.39 per gallon, use the mean fuel economy to calculate the average cost per mile to operate this vehicle.
A. (a) 20.14 mpg,
(b) $0.168 (or 16.8¢ per mile)
B. (a) 21.05 mpg,
(b) $0.161 (or 16.1¢ per mile)
C. (a) 20.45 mpg,
(b) $0.166 (or 16.6¢ per mile)
D. (a) 21.75 mpg,
(b) $0.156 (or 15.6¢ per mile)
Answer: C
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