Study the table below, which shows the average wind speed recorded at six offshore wind farms in the North Sea during a winter month.
| Wind Farm | Dogger Bank | Horns Rev | Sheringham Shoal | Thanet | Bard Offshore | Anholt |
|---|---|---|---|---|---|---|
| Average Wind Speed (m/s) | 14.6 | 11.8 | 15.3 | 12.7 | 16.5 | 13.7 |
Calculate the mean wind speed for these wind farms.
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.