The Table given below represent the ages of students in a private music school. What is the average age of the students?
|
Age Band |
Students |
|
0 - 10 |
4 |
|
10 - 20 |
5 |
|
20 - 30 |
15 |
|
30 - 40 |
4 |
1
Approximately 22 years
2
Approximately 15 years
3
Approximately 20 years
4
Approximately 26 years