Table 4.
Analysis of variance and summary of fit.
| Source | DF | Sum of Squares | Mean Square | F Ratio |
|---|---|---|---|---|
| Model | 5 | 39.760343 | 7.95207 | 225.6075 |
| Error | 12 | 0.422968 | 0.03525 | Prob > F |
| C. Total | 17 | 40.183311 | 0000∗ |
| Parameters effects | ||
|---|---|---|
| Factors | Log-Worth | P-Value |
| Alcohol to Oil molar ratio | 10.674 | 0.00000 |
| Catalyst concentration | 10.561 | 0.00000 |
| Time | 4.173 | 0.00007 |
| Temperature | 2.200 | 0.00631 |
| Agitation rate | 0.764 | 0.17214 |
| Summary of Fit | |
|---|---|
| R-Squared | 0.989474 |
| R-Squared Adj. | 0.985088 |
| Root Mean Square Error | 0.187743 |
| Mean of Response | 92.02778 |