The Baltimore Ravens won the American football championship in 2013. In the same season, the Kansas City Chiefs had a record of 2 wins and 14 losses.

The dot plots below show the 40-yard dash times (in seconds) of the defensive backs on each team's roster. Defensive backs mainly defend against passes, and the 40-yard dash is the main measure of speed used in American football.

Which pieces of information can be gathered from these dot plots? (Remember that lower 40-yard dash times are faster.)

Choose all answers that apply:
A)The defensive backs on the Chiefs are faster on average.
B) The speed of the defensive backs on the Chiefs varies noticeably more than the speed of the defensive backs on the Ravens.
C) None of the above