Question

The back-to-back stem-and-leaf plot below shows exam scores from two different math classes. What is the mode and mean for class A and the range and median for class B?





Class A



Class B







1 2 5 6 7 8

4

1 2







2 3 4 9

5

9







1 1 4 8

6

2 4 9







1

7

1 5 7 8 8







2 5

8

0 3 4 4 6 6 7







0

9

2 2 5









Key:

0|9|2 means 90 for Class A and 92 for Class B