The tables below show the numbers of birds in different cages in two different pet shops.

pet shop #1
cage number of birds
1 14
2 20
3 17
4 25
5 8
pet shop #2
cage number of birds
1 16
2 23
3 19
4 30
5 30

what is the difference between the means of the numbers of birds per cage between the two shops?
a.
6.8
b.
23.6
c.
16.8
d.
3.4
reset submit