A clinical psychologist is investigating the relationship between mindfulness practice and anxiety levels. The scatter diagram and data table below show the results from a sample of nine participants.
| Mindfulness practice (hours per week) | Anxiety score |
|---|---|
| 1 | 90 |
| 2 | 80 |
| 3 | 70 |
| 4 | 60 |
| 5 | 50 |
| 6 | 40 |
| 7 | 30 |
| 8 | 20 |
| 9 | 10 |
Which correlation coefficient is represented by this dataset?
+1.0+1.0+1.0
−1.0-1.0−1.0
−10.0-10.0−10.0
0.00.00.0
