Octane Does the level of octane in gasoline affect gas mileage To answer this question
Chapter 1, Problem 27(choose chapter or problem)
Octane Does the level of octane in gasoline affect gas mileage? To answer this question, an automotive engineer obtains 60 cars. Twenty of the cars are considered to be compact, 20 are full size, and 20 are sport utility vehicles (SUVs). Design an experiment for the engineer. Include a diagram to illustrate your design.
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