Table 4.
Analysis of variance for the linear model adjusted to multiple response to a 95% confidence level.
| Parameters | Df | QS | SA | Fcalc | Ftab | p-value |
|---|---|---|---|---|---|---|
| A, B | 2 | 0.07 | 0.03 | 0.07 | 19.25 | 0.93 |
| Residues | 4 | 1.86 | 0.47 | |||
| Lack of adjustment | 2 | 0.60 | 0.30 | 0.47 | 19.00 | 0.68 |
| Error pure | 2 | 1.27 | 0.63 |
A = mass of photo catalyst, B = irradiation time, Df = degree of freedom, QS = quadratic sum, SA = square average, Fcalc = calculated F test value, Ftab = tabulated F test value.