The diagrams show the distribution of trees in two forest patches A and B. Each patch is divided into smaller “quadrats”. The number of trees in each quadrat is shown. Which one of the following statements about the means and standard deviations of the numbers of trees in the two patches is true?
Forest Patch A
| 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 1 | 1 | 1 |
Forest Patch B
| 2 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 7 | 0 |
| 0 | 10 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 6 |
Single choice