Hypothesis testing summary of the Mann–Whitney test
| Null hypothesis . | Test . | Significance . | Decision . |
|---|---|---|---|
| The distribution of COD removal efficiency is the same across categories of Groups. | Independent-samples Mann–Whitney U test | 0.00 | Reject the null hypothesis |
| The distribution of colour removal efficiency is the same across categories of Groups. | Independent-samples Mann–Whitney U test | 0.00 | Reject the null hypothesis |
| The distribution of turbidity removal efficiency is the same across categories of Groups. | Independent-samples Mann–Whitney U test | 0.00 | Reject the null hypothesis |
| The distribution of SS removal efficiency is the same across categories of Groups. | Independent-samples Mann–Whitney U test | 0.00 | Reject the null hypothesis |
| Null hypothesis . | Test . | Significance . | Decision . |
|---|---|---|---|
| The distribution of COD removal efficiency is the same across categories of Groups. | Independent-samples Mann–Whitney U test | 0.00 | Reject the null hypothesis |
| The distribution of colour removal efficiency is the same across categories of Groups. | Independent-samples Mann–Whitney U test | 0.00 | Reject the null hypothesis |
| The distribution of turbidity removal efficiency is the same across categories of Groups. | Independent-samples Mann–Whitney U test | 0.00 | Reject the null hypothesis |
| The distribution of SS removal efficiency is the same across categories of Groups. | Independent-samples Mann–Whitney U test | 0.00 | Reject the null hypothesis |
Notes: Asymptotic significance is displayed. The significance level is 0.050.