4-cylinder is skewed to the left, 6-cyl. is skewed right and 8 is symmetrical.
4-cyl has a median around 32, 5-cyl. and 6 are at 21, 8 is even lower with a median mpg at around 18!
The 4 cylinder has more variation, the 6 and 8 have less variation. The IQR's are: 7, 4 and 2, respectively!
