Table 6 Mean difference between clusters and their statistical significance
Cluster A | Comparison cluster | Mean difference of writing score | p-value |
|---|---|---|---|
1 | 2 | 2.08 | 0.0002 |
1 | 3 | 3.71 | 5.28E−18 |
1 | 4 | 7.99 | 1.35E−11 |
1 | 5 | 4.29 | 1.39E−17 |
2 | 3 | 5.80 | 1.58E−54 |
2 | 4 | 10.08 | 1.38E−17 |
2 | 5 | 2.20 | 2.88E−10 |
3 | 4 | 4.28 | 8.21E−17 |
3 | 5 | 8.006 | 1.55E−59 |
4 | 5 | 11.42 | 1.38E−17 |