Concept explainers
To write:about the comparison of the distributions.
Answer to Problem 75E
The highway miles per gallon are higher than the city miles per gallon andmiles per gallon values are slightly lower for the two-seater cars.
Explanation of Solution
Given:
Calculation:
For both kinds of cars we see that the highway miles per gallon are higher than the city miles per gallon, a conclusion that would be expected. The two-seater cars have a wider spread of miles per gallon values than the minicompact cars do, both on the highway and in the city. Also the miles per gallon values are slightly lower for the two-seater cars than for the minicompact cars. This difference is greater on the highway than it is in the city.
Conclusion:
Therefore, the highway miles per gallon are higher than the city miles per gallon andmiles per gallon values are slightly lower for the two-seater cars
Chapter 2 Solutions
The Practice of Statistics for AP - 4th Edition
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