The table shows information about the number of siblings each student in a class has.
| Siblings | Frequency |
|---|---|
| 0 | 10 |
| 1 | 15 |
| 2 | 11 |
| 3 | 7 |
| 4 | 5 |
| 5 | 2 |
Work out the mean number of siblings per student.
111 exam-style questions on OCR GCSE Maths Averages from Frequency Tables. Each one has a worked solution and a mark scheme showing where the marks go.