Table 5 Statistical summary of RSM model fit indicators for C/C₀ responses of Cd, Cu, Ni, and Zn.
Response 1: C/C0(Cd) | Response 2: C/C0(Cu) | Response 3: C/C0(Ni) | Response 4: C/C0(Zn) | ||||
|---|---|---|---|---|---|---|---|
Std. Dev. | 0.0278 | Std. Dev. | 0.0259 | Std. Dev. | 0.0278 | Std. Dev. | 0.0278 |
Mean | 0.7900 | Mean | 0.7985 | Mean | 0.7942 | Mean | 0.7900 |
C.V. % | 3.52 | C.V. % | 3.25 | C.V. % | 3.50 | C.V. % | 3.52 |
R² | 0.9941 | R² | 0.9951 | R² | 0.9939 | R² | 0.9941 |
Adjusted R² | 0.9939 | Adjusted R² | 0.9949 | Adjusted R² | 0.9937 | Adjusted R² | 0.9939 |
Predicted R² | 0.9937 | Predicted R² | 0.9947 | Predicted R² | 0.9935 | Predicted R² | 0.9937 |
Adeq Precision | 172.3322 | Adeq Precision | 186.5503 | Adeq Precision | 172.5037 | Adeq Precision | 172.3247 |