Number | Average score | Standard deviation | |
11 | 87 | 4.04 | 0.721 |
12 | 87 | 3.61 | 0.912 |
13 | 87 | 3.8 | 0.942 |
14 | 87 | 3.65 | 0.81 |
15 | 87 | 3.73 | 0.786 |
Average score | 87 | 3.77 | 0.8342 |