A psychologist is investigating the relationship between daily caffeine consumption and self-reported anxiety levels. The results are shown in Table 1 below.
| Participant | Daily caffeine intake (mg) | Anxiety score (0–50) |
|---|---|---|
| Participant 1 | 150 | 25 |
| Participant 2 | 300 | 38 |
| Participant 3 | 100 | 15 |
| Participant 4 | 50 | 12 |
| Participant 5 | 200 | 30 |
| Participant 6 | 250 | 34 |
| Participant 7 | 0 | 8 |
| Participant 8 | 400 | 45 |
| Participant 9 | 150 | 20 |
Draw a suitable graph to display the data in Table 1.
638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.