Question

In automobile mileage and gasoline-consumption testing, 13 automobiles were road tested for 300 miles in both city and highway driving conditions. The following data were recorded for miles-per-gallon performance.

City	15.4	15.9	15.1	13.6	12.4	14.5	16.0	15.2	15.3	14.5	14.4	14.5	15.4
Highway	19.4	20.6	18.3	18.6	19.2	17.4	17.2	18.6	19.0	21.1	19.4	18.5	18.7

Use the mean, median, and mode to make a statement about the difference in performance for city and highway driving.

Compute the mean for the miles-per-gallon performance for city and highway driving. (Round your answers to two decimal places.)

city miles per gallonhighway miles per gallon

Is the mean mileage better on the highway than in the city?

YesNo    

Compute the median for the miles-per-gallon performance for city and highway driving.

city miles per gallonhighway miles per gallon

Is the median mileage better on the highway than in the city?

YesNo    

Compute the mode(s) for the miles-per-gallon performance for city and highway driving. (Enter your answers as a comma-separated list.)

city

miles per gallonhighway

miles per gallon

Is the modal mileage better on the highway than in the city?

YesNo    

Make a statement about the difference in performance for city and highway driving conditions.

Miles-per-gallon performance is  ---Select--- worse better in highway driving condition than in city driving conditions.

Answer 1