For Exercise 4–7, refer to the table that shows the highway fuel economy of various popular
vehicles.
Fuel Economy
4. Determine the mean absolute deviation. Round
to the nearest hundredth.

23, 25, 30, 32, 33, 34, 34, 35, 37, 48

5. How many data values are closer than one mean absolute deviation away from the mean?
6. Which data value is farthest from the mean? How far is this value from the mean? Round to the nearest
hundredth.
7. Are there any data values that are more than twice the mean absolute deviation from the mean? Explain.