An educational psychologist is investigating the relationship between the number of hours of digital screen use per day and the duration of deep sleep (in minutes) obtained by adolescents. The results for a sample of nine adolescents are shown in Table 1 below.
| Adolescent | Daily screen time (hours) | Deep sleep duration (minutes) |
|---|---|---|
| Adolescent A | 2.5 | 90 |
| Adolescent B | 6.0 | 45 |
| Adolescent C | 1.0 | 110 |
| Adolescent D | 4.5 | 70 |
| Adolescent E | 3.0 | 85 |
| Adolescent F | 5.5 | 55 |
| Adolescent G | 0.5 | 115 |
| Adolescent H | 7.0 | 30 |
| Adolescent I | 4.0 | 65 |
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.