Optimization and Mechanical Characteristics of AA6061/Zirconia Nanocomposites Fabricated by Ultrasonic-Aided Stir Casting Method

Table 7

Adequate precision values and model adequacy -squared.

Standard variance	0.0132	-squared	0.9887
Mean	0.6064	Adjustable R-squared	0.9757
Coefficient of difference	2.1618	Forecast R-squared	0.9049
Forecast residual error SS	0.0064	Adequacy precision	30.0166