Question: The objective in Exercise 13.161 was to determine whether various market segments were more likely to use the QuickLube service. Included with the data is

The objective in Exercise 13.161 was to determine whether various market segments were more likely to use the QuickLube service. Included with the data is also the age (in months) of the car. Do the data allow us to conclude that there are differences in the age between the four market segments?

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