9. Below is a stem-and-leaf plot of ACT scores for a group of college students.

ACT Math Scores of Students in a College Music Class

Stem Leaves/ Leaves

1 / 2 3 3 4

1 / 5 7 8 8 8 8 9 9

2 / 0 0 0 1 1 2 2 2 3

2 / 5 5 5 6 7

3 / 2 3 4

3

Key: 1|2 = 12

[4 pts]

1. What was the lowest math score a student in this class received on the ACT?
2. What was the highest math score a student in this class received on the ACT?
3. Which math score occurred most often?
4. How many students are represented by this information?