| Null Hypothesis | Test | Sig. | Decision | |
| 1 | The distribution of U6U6 mm is the same across catagories of Group | Independent Samples Mann-Whitney U Test | 0.0361 | Reject the null hypothesis |
| 2 | The distribution of U5U5 mm is the same across catagories of Group | Independent Samples Mann-Whitney U Test | 0.0011 | Reject the null hypothesis |
| 3 | The distribution of U4U4 mm is the same across catagories of Group | Independent Samples Mann-Whitney U Test | 0.0011 | Reject the null hypothesis |
| 4 | The distribution of U3U3 mm is the same across catagories of Group | Independent Samples Mann-Whitney U Test | 0.1551 | Retain the null hypothesis |