Table 5.
Results of the ANOVA of Equation (5) for predicting Ebreak.
ANOVA Fcritical (DFregression, DFresidual, α) (9, 5, 0.05) = 4.77 | |||||
---|---|---|---|---|---|
Source | Degree of Freedom (DF) | Adj. Sum of Square | Adj. Mean Square | F-Value | p-Value |
Regression | 9 | 763,514 | 84,835 | 15.39 | 0.004 |
Residual | 5 | 27,564 | 5513 | ||
Lack of fit | 3 | 25,097 | 8366 | ||
Pure error | 2 | 2467 | 1233 | ||
Total | 14 | 791,078 | |||
Coded Coefficient | |||||
Tcritical (DFresidual, α) (5, 0.05) = 2.57 | |||||
Term | Coefficient | Standard Error Coefficient | T-value | p-value | Remark |
Constant | 1018.7 | 42.9 | 23.76 | 0.000 | <0.05 |
A | −6.7 | 26.3 | −0.26 | 0.807 | |
B | −35.6 | 26.3 | −1.36 | 0.233 | |
C | −300.1 | 26.3 | −11.43 | 0.000 | <0.05 |
AA | −22.6 | 38.6 | −0.58 | 0.584 | |
BB | −75.3 | 38.6 | −1.95 | 0.109 | |
CC | −14.8 | 38.6 | −0.38 | 0.717 | |
AB | −42.2 | 37.1 | −1.14 | 0.307 | |
AC | 0.2 | 37.1 | 0.01 | 0.995 | |
BC | −27.5 | 37.1 | −0.74 | 0.492 | |
Summary Model | |||||
R2 = 96.52% | R2 (adj.) = 90.24% | R2 (pred.) = 48.54% |