The table shows information about the number of pets owned by families living in a local street.
| Number of Pets | Frequency |
|---|---|
| 0 | 15 |
| 1 | 20 |
| 2 | 12 |
| 3 | 8 |
| 4 | 3 |
| 5 | 2 |
Work out the mean number of pets per family.
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.