Dr. Harrison decided to analyse his experimental data on pilot attention span using a Mann-Whitney U test.
Complete Table 3 and calculate the Mann-Whitney U test value (UUU) for Dr. Harrison's data.
You must give your final answer to one decimal place.
Table 3
| Condition A: Blue-enriched LED | Condition B: Standard cabin | ||
|---|---|---|---|
| Attention score | Rank | Attention score | Rank |
| 48 | 14 | 45 | 13 |
| 42 | 12 | 32 | 8 |
| 39 | 11 | 25 | 6 |
| 35 | 9.5 | 18 | 4 |
| 35 | 9.5 | 15 | 3 |
| 28 | 7 | 8 | 1 |
| 21 | 5 | ||
| 12 | 2 | ||
| Total | 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.