These dot plots show the lengths (in feet) from a sample of crocodiles and
alligators.
crocodile

0
1 2
3
4
5
6
7
8 9 10 11 12 13 14 15 16 17 18 19 20
length (ft)
alligator
3
4
5
6
7

8 9 10 11 12 13 14 15 16 17 18 19 20
length (ft)
what are the differences between the centers and spreads of these
distributions?
select two choices: one for the centers and one for the spreads.