A conservation biologist investigated the nesting habits of a breeding population of Red Kites (Milvus milvus) in a woodland reserve. They recorded observations from a sample of 150 active nesting sites. Relevant summaries of the gathered data are shown below.
Table 1: Nest position relative to canopy
| Is the nest situated in the upper third of the forest canopy? | |
|---|---|
| Yes | No |
| 112 | 38 |
Table 2: Tree species selected for nesting
| Tree Species | Number of nests |
|---|---|
| Oak (Quercus robur) | 68 |
| Beech (Fagus sylvatica) | 42 |
| Scots Pine (Pinus sylvestris) | 24 |
| Birch (Betula pendula) | 11 |
| Other | 5 |
Evaluate the use of this level of data in this study.
513 exam-style questions on OCR A Level Psychology Data recording, analysis and presentation. Each one has a worked solution and a mark scheme showing where the marks go.