Question

For the fleet described in Exercise 2.48,
a. Construct a simple tabulation in which the counts are according to the type of engine.
b. Construct a cross-tabulation describing the fleet, using type of engine and whether the vehicle has air conditioning as the categorization variables.
c. Construct a display showing the average mpg according to type of engine and whether the vehicle has air conditioning. Do the categorization variables seem to be related to mpg? If so, how?


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  • CreatedSeptember 08, 2015
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