3.12 The file SUV contains the overall miles per gallon (MPG) of 2010 small SUVs: 24 23 22 21 26 21 22 22 18 18 26 21 21 21 26 19 19 19 21 21 18 19 21 22 22 16 16 Source: Data extracted from "Vehicle Ratings," Consumer Reports, April 2010, pp. 33-34. a. Compute the mean, median, and mode. b. Compute the variance, standard deviation, range, coeffi- cient of variation, and Z scores.

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