| Product/Statistic | Control | 10% Replacement | 20% Replacement | 30% Replacement |
| Mean (Brown colour) | 8.17b | 7.68a | 7.43b | 7.37b |
| Standard Deviation | 1.45 | 0.75 | 1.68 | 1.56 |
| Median | 8.00 | 8.00 | 8.00 | 7.50 |
| Minimum | 4.00 | 7.00 | 4.00 | 3.00 |
| Maximum | 9.00 | 9.00 | 9.00 | 9.00 |