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. 2023 Dec 28;17(1):178. doi: 10.3390/ma17010178

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%