[Solution Library] Scientists have just developed a new medicine for depression related mental illness. It is not known yet if there is a significant difference
Question: Scientists have just developed a new medicine for depression related mental illness. It is not known yet if there is a significant difference and effect of the new medicine in comparison to not doing anything about the illness. The following data were recorded on two groups (treatment and control groups).
| Treatment group | Control group |
| 7 | 9 |
| 8 | 11 |
| 10 | 13 |
| 6 | 10 |
| 8 | 11 |
| 5 | 9 |
| 7 | 15 |
| 12 | 14 |
| 5 | 10 |
- You have been tasked to manually calculate ( α = 0.05) and to interpret it for these scientists. Show all decision making steps, including Excel output. (25)
- Compute Cohen’s d to estimate the size of the treatment effect. (5)
Deliverable: Word Document 
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Do You Know How to Compute Confidence Intervals? - MathCracker.com