Question

the stem-and-leaf plot below represents the number of students in each math class in a school.

class size
1 | 5 8 9
2 | 0 3 3 4 7 8
3 | 0

key: 1 | 5 = 15 students

what is the most common class size?

answer attempt 1 out of 2

students

Explanation:

Step1: Extract all class sizes

Using the key \(1|5 = 15\), the data is: 15, 18, 19, 20, 23, 23, 24, 27, 28, 30.

Step2: Find the most frequent value

Count occurrences: 23 appears twice; others once.

Answer:

23