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Analysis of variance: the empirical model for predicting acetaldehyde.
| Source | Sum of Squares | Df | Mean Square | F-Ratio | p-Value |
|---|---|---|---|---|---|
| x1 | 9.6203 | 1 | 9.6203 | 12.49 | 0.0241 |
| x2 | 33.630 | 1 | 33.630 | 43.68 | 0.0027 |
| x3 | 0.7902 | 1 | 0.7902 | 1.03 | 0.3683 |
| x4 | 63.798 | 1 | 63.798 | 82.85 | 0.0008 |
| x3 x4 | 7.0500 | 1 | 7.0500 | 9.16 | 0.0389 |
| Blocks | 0.8676 | 1 | 0.8676 | 1.13 | 0.3483 |
| Lack-of-fit | 34.349 | 43 | 0.7988 | 1.04 | 0.5630 |
| Pure error | 3.0800 | 4 | 0.7700 | ||
| Total (correlation) | 153.18 | 53 |
