Enhancing Business Sustainability and Competitive Advantage by Using a Strategic Mathematical Computing Model

Table 6

The independent sample t-test coefficient summary of cost management by service/manufacturing industry.

Indicators	Industry	N	Mean	Std. deviation	Std. error mean	t value	value
Profit contribution	Service	90	4.378	1.195	0.126	−2.848	≦.010
	Manufacturing	53	4.811	0.622	0.085
Revenue generation	Service	90	3.433	1.017	0.107	−2.288	≦.050
	Manufacturing	53	3.774	0.750	0.103
Company reputation	Service	90	2.289	1.283	0.135	3.801	≦.001
	Manufacturing	53	1.635	0.768	0.106
Quality assurance	Service	90	3.089	1.002	0.106	1.295	≧.050
	Manufacturing	53	2.925	0.513	0.071
People management	Service	90	1.811	0.970	0.102	−0.323	≧.050
	Manufacturing	53	1.868	1.093	0.150

Source: authors.