A psychologist asks six adults to rate how relaxed they feel immediately after a 10-minute breathing exercise. The scale runs from 1 (not at all relaxed) to 5 (very relaxed). Their ratings are shown below.
| Participant | Rating |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 4 |
| 4 | 5 |
| 5 | 3 |
| 6 | 4 |
Calculate the mean rating.
Evaluate how useful these ratings are for judging how relaxed the participants felt overall. Use the results in your answer.
139 exam-style questions on OCR GCSE Psychology 7.2 Doing Research, covering 7.2.1 Experiments, 7.2.2 Interviews, 7.2.3 Questionnaires (Surveys), 7.2.4 Observations, 7.2.5 Case Studies, and 7.2.6 Correlations. Each one has a worked solution and a mark scheme showing where the marks go.