Analysis and Optimization of Cutting Tool Coating Effects on Surface Roughness and Cutting Forces on Turning of AA 6061 Alloy

Table 7

Representations of the expressions in equations (8) and (9).

Fα,1,fe	The F ratio at a 95 percent CI	Ve	The error variance
A	The significance level	N	The total number of experiments
Fe	The degrees of freedom of error	Tdof	The total main factor degrees of freedom
	The effective number of replications	R	The number of replications for the confirmation experiments