Gas Mileage The miles per gallon (mpg)for each of 20 medium-sized cars selected from
Chapter 2, Problem 65(choose chapter or problem)
Gas Mileage The miles per gallon (mpg)for each of 20 medium-sized cars selected from aproduction line during the month of March follow.23.1 21.3 23.6 23.720.2 24.4 25.3 27.024.7 22.7 26.2 23.225.9 24.7 24.4 24.224.9 22.2 22.9 24.6a. What are the maximum and minimum miles pergallon? What is the range?b. Construct a relative frequency histogram for thesedata. How would you describe the shape of thedistribution?c. Find the mean and the standard deviation.d. Arrange the data from smallest to largest. Find thez-scores for the largest and smallest observations.Would you consider them to be outliers? Why orwhy not?e. What is the median?f. Find the lower and upper quartiles
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