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

Table 9

Regression model and summary results for MRR.

Model	MRR = 6.03 + 0.0147 speed − 3.59 tool + 0.000058 speed  speed + 1.06 tool  tool − 0.00228 speed  tool
Summary results	S value	R^2 value
	2.01489	0.9656