| Variable | W | Statistical significance (confidence level) | Normality |
|---|---|---|---|
| Demand A | 0.98 | Significance (0.01) | No |
| Demand B | 0.82 | Significance (0.00) | No |
| Demand C | 0.71 | Significance (0.00) | No |
| Demand D | 0.40 | Significance (0.00) | No |
| Supply A | 0.98 | Significance (0.01) | No |
| Supply B | 0.84 | Significance (0.00) | No |
| Supply C | 0.73 | Significance (0.00) | No |
| Supply D | 0.63 | Significance (0.00) | No |