[Retracted] Optimizing the Parameters of Zirconium Carbide and Rice Husk Ash Reinforced with AA 2618 Composites

Table 7

Tool wear results on ANOVA.

Source	SS	Dof	Mean square	F value	value prob > F
Model	0.25	17	0.25	8.86	0.0005
A	6.956E-007	1	6.956E-007	4.52E-004	0.9478
B	0.027	1	0.027	17.17	0.0021
C	8.634E-004	1	8.634E-004	4.98	0.0500
D	7.140E-005	1	7.140E-005	0.41	0.5417
AB	4.594E-005	1	4.594E-005	0.31	0.5967
AC	3.394E-005	1	3.394E-005	0.23	0.6486
AD	4.485E-006	1	4.485E-006	0.28	0.6008
BC	0.023	1	0.023	15.10	0.0037
BD	10.058E-006	1	10.058E-006	0.058	0.8132
CD	3.784E-004	1	3.784E-004	3.41	0.1527
A^2	0.023	1	0.023	15.34	0.0037
B^2	0.075	1	0.075	49.31	<0.0002
C^2	0.018	1	0.018	13.36	0.0057
B^2C	0.015	1	0.015	9.14	0.0128
BC^2	7.014E-004	1	7.014E-004	5.57	0.0585
C^2D	6.719E-004	1	6.719E-004	5.38	0.0632
Residual	0.016	10	1.53E-004
Lack of fit	8.869E-003	8	1.336E-004	0.46	0.8309
Pure error	6.513E-004	2	3.857E-004
Cor total	0.27	26