A psychologist investigates whether the time spent outdoors is related to self-reported stress. Each participant records the number of minutes they spent outdoors that day and gives a stress rating from 1 to 10, where 10 represents the greatest stress.
| Participant | Time spent outdoors (minutes) | Stress rating |
|---|---|---|
| A | 60 | 5 |
| B | 15 | 8 |
| C | 90 | 3 |
| D | 45 | 7 |
| E | 75 | 4 |
| F | 30 | 7 |
The psychologist plans to plot each pair of scores on a line graph and join the points in participant order.
Evaluate the psychologist's choice of display, using the results to reach a conclusion about the relationship.
173 exam-style questions on OCR GCSE Psychology 7.3 Analysing Research, covering 7.3.1 Types of Data, 7.3.2 Measures of central tendency, 7.3.3 Other descriptive statistics, 7.3.4 Tables, Charts and Graphs, 7.3.5 Reliability, 7.3.6 Validity and effects on validity, and 7.3.7 Sources of bias. Each one has a worked solution and a mark scheme showing where the marks go.