Statistical Modelling to Study the Implications of Coated Tools for Machining AA 2014 Using Grey Taguchi-Based Response Surface Methodology

Table 13

Regression model and summary results for Torque.

Model	Torque = 0.138 + 0.35 doc + 0.193 tool − 0.47 doc  doc − 0.0311 tool  tool − 0.012 doc  tool
Summary results	S value	R^2 value
	0.116786	0.8040