PLS HURRY WORTH 50 POINTS AND WILL MARK BRAINLIEST!!!!

A survey of a group of seventh-graders and a group of teachers at a local middle schoolers asked how many siblings they each have. The dot plots below show the results.

students:

x
x
x x
x x x
x x x
x x x x x
x x x x x
0 1 2 3 4 5 6 7 8 9

teachers:


x
x x
x x x x
x x x x x
x x x x x x x x
0 1 2 3 4 5 6 7 8 9

What is the closest to the difference between the means?

A. 0.5
B. 1.0
C. 1.5
D. 2.0​