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

Table 12

Regression model and summary results for Torque.

Model	Torque = 0.1847 − 0.000308 speed + 0.1551 tool + 0.000001 speed; speed − 0.0311 tool  tool + 0.000123 speed  tool
Summary results	S value	R^2 value
	0.0165464	0.9880