The following data set represents the highway fuel efficiency in miles per gallon (mpg) of randomly selected cars from two car companies.
Car company A : 35, 28, 35, 30, 31, 38, 35, 30
Car company B: 29, 33, 36, 27, 34, 34, 34, 25
Which of the following statements is true?
- The average highway fuel efficiency of Car company A is 33 mpg and the average highway fuel efficiency of Car company B is 31.5 mpg.
- Car company A has a higher average highway fuel efficiency compared to Car company B.
- Car company A has a more consistent highway fuel efficiency as the range of values (38-28 = 10) is smaller compared to Car company B (36-25 = 11).