Essay
Car Speed and Gas Mileage: An economist wanted to analyze the relationship between the speed of a car (x) and its gas mileage (y). As an experiment a car is operated at several different speeds and for each speed the gas mileage is measured. These data are shown below.
-What does the coefficient of correlation tell you about the direction and strength of the relationship between the two variables?
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There is a very strong negativ...View Answer
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Correct Answer:
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