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        16.0       16.5       15.7       14.2       13.0       15.1       16.6       15.8       15.9       15.1       15.0       15.1       16.0

Highway               19.0       20.2       17.9       18.2       18.8       17.0       16.8       18.2       18.6       20.7       19.0       18.1       18.3

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 Incorrect: Your answer is incorrect. miles per gallon highway Incorrect: Your answer is incorrect. miles per gallon

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

Yes No     Correct: Your answer is correct.

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

city Correct: Your answer is correct. miles per gallon highway Correct: Your answer is correct. miles per gallon

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

Yes No     Correct: Your answer is correct.

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

city

Correct: Your answer is correct. miles per gallon highway

Incorrect: Your answer is incorrect. miles per gallon

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

Yes No     Correct: Your answer is correct.

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

Miles-per-gallon performance is

Correct: Your answer is correct. in highway driving condition than in city driving conditions.

Answer 1