Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
ANOVA for response surface quadratic model
| Source | Sum of squares | Degree of freedom | Mean squares | F-values | P-valuesa |
|---|---|---|---|---|---|
| Model | 14175.30 | 9 | 1575.03 | 34.28 | <0.0001 |
| Residual | 459.52 | 10 | 45.95 | ||
| Lack of fit | 297.79 | 5 | 59.56 | 1.84 | 0.2596 |
| Pure error | 161.74 | 5 | 32.35 | ||
| Corrected total | 14634.83 | 19 |
a P < 0.05 indicates a statistical significance
