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(Solution) - Look at the histogram in Figure 2 10 a which shows mileage

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Look at the histogram in Figure 2?10(a), which shows mileage, in miles per gallon (mpg), for a random selection of passenger cars (Reference: Consumer Reports).
(a) Is the shape of the histogram essentially bimodal?

(b) Jose looked at the raw data and discovered that the 54 data values included both the city and the highway mileages for 27 cars. He used the city mileages for the 27 cars to make the histogram in Figure 2?10(b). Using this information and Figure 2?10, parts (a) and (b), construct a histogram for the highway mileages of the same cars. Use class boundaries 16.5, 20.5, 24.5, 28.5, 32.5, 36.5, 40.5.


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This question was answered on: Jul 11, 2017

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