A student measures the soil infiltration rate at ten different locations across a drainage basin. Their measurements are recorded in the table below:
| Site | Soil infiltration rate (mm/min) |
|---|---|
| A | 15 |
| B | 8 |
| C | 24 |
| D | 11 |
| E | 29 |
| F | 14 |
| G | 8 |
| H | 18 |
| I | 5 |
| J | 21 |
Calculate the median soil infiltration rate. You must show your working out.
87 exam-style questions on OCR A GCSE Geography Numerical and statistical skills. Each one has a worked solution and a mark scheme showing where the marks go.