Solution
The figure below represents the allowance in dollar each student received.
15 10 30 25 30 40 20 50 20
30 40 20 10 10 20 10 15 40
20 25 10 15 30 30 20 15 10
10 20 20 10 50 20 10 30 30
The frequency table is shown below
1.6m questions
2.0m answers