Here are the quiz scores of seven students.
| 15 | 8 | 12 | 20 | 15 | 14 | 7 |
| ---- | --- | ---- | ---- | ---- | ---- | --- |
Work out the range of these quiz scores.
Work out the median of these quiz scores.
Work out the mean of these quiz scores.
Practise OCR GCSE Maths Averages with exam-style questions for Foundation and Higher tier. 48 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.