?Does Octane Affect Miles per Gallon? A researcher wants to know if the octane level of gasoline affects the gas mileage of a car. She randomly selects
Chapter 15, Problem 18(choose chapter or problem)
Does Octane Affect Miles per Gallon? A researcher wants to know if the octane level of gasoline affects the gas mileage of a car. She randomly selects 10 cars and puts 5 gallons of 87-octane gasoline in the tank. On a closed track, each car is driven at 50 miles per hour until it runs out of gas. The experiment is repeated, with each car getting 5 gallons of 92-octane gasoline. The miles per gallon for each car are then computed. The results are shown. Would you recommend purchasing 92 octane? Why or why not?
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