| X (kg other waste/kg total) | Y (kg sharps/kg total) | |
| N | 65 | 65 |
| Mean | 0.9572 | 0.0428 |
| Std. Deviation | 0.01687 | 0.01687 |
| Skewness | −0.919 | 0.919 |
| Kurtosis | 0.189 | 0.189 |
| Minimum | 0.92 | 0.02 |
| Maximum | 0.98 | 0.08 |