Complete Table 1 and calculate the Spearman's rank correlation coefficient for Dr. Aris's study investigating the relationship between self-reported anxiety scores and the average number of hours spent on social media per day.
| Anxiety score | Rank 1 | Daily social media hours | Rank 2 | ddd | d2d^2d2 |
|---|---|---|---|---|---|
| 15 | 2 | 3 | 2 | ||
| 30 | 5 | 5 | 4 | ||
| 20 | 3 | 4 | 3 | ||
| 45 | 7.5 | 8 | 6 | ||
| 12 | 1 | 2 | 1 | ||
| 45 | 7.5 | 10 | 7 | ||
| 25 | 4 | 7 | 5 | ||
| 35 | 6 | 11 | 8 | ||
| Total: |
Practise Edexcel A Level Psychology Methods with exam-style questions for A Level Psychology. 638 questions, matched to the Edexcel A Level Psychology (9PS0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.