The table shows information about the number of books borrowed from a library per student in one week.
| Books | Frequency |
|---|---|
| 0 | 8 |
| 1 | 15 |
| 2 | xxx |
| 3 | 6 |
| 4 or more | 0 |
The total number of books borrowed by all students was 63.
Find the value of xxx.
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.