In Exercises 2124, find the coefficient of variation for
Chapter 3, Problem 21(choose chapter or problem)
In Exercises 2124, find the coefficient of variation for each of the two samples; thencompare the variation. (The same data were used in Section 3-2.) Speeding and Race Listed below are speeds (in mi/h) of cars on the New Jersey Turnpikeby race of the driver. All cars are going in the same direction, and all of the cars are fromNew Jersey. The data are from Statlib and the authors are Joseph Kadane and John Lamberth. White drivers: 74 77 69 71 77 69 72 75 74 72African American drivers: 79 70 71 76 76 74 71 75 74 74
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