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ANOVA used to generate statistical models.
| Response model | Sum of squares | Df | Mean square | F value | P value | SD | R 2 | Adequate precision |
|---|---|---|---|---|---|---|---|---|
| Hardness | 3.25 | 5 | 0.65 | 79.80 | 0.0022 | 0.090 | 0.9925 | 0.9801 |
| Swelling index | 1957.54 | 2 | 978.77 | 9.48 | 0.0139 | 10.16 | 0.7596 | 0.6795 |
