The following box-and-whisker plots represent the fuel economy rates (combined city and highway) for the entire fleet of two major car manufacturers.

Which of the following statements is not true?

Car Manufacturer A's fleet has a larger range of fuel economy rates than Car Manufacturer B's fleet.
The range of the middle half of the rates for both manufacturers is about the same.
The median fuel economy rate of Car Manufacturer A is about 7 miles per gallon higher than the median fuel economy rate of Car Manufacturer B.
One of the vehicles in Car Manufacturer B's fleet has the lowest fuel economy rate of either manufacturer.