Financial Big Data Management and Control and Artificial Intelligence Analysis Method Based on Data Mining Technology

Table 3

Two independent samples -test.

Financial indicator		Homogeneity of variance test			-test
			Sig		df	Sig (bilateral)
Asset-liability ratio ()	Together	2.046	0.135	4.652	78	0.000
	No			4.652	74.655	0.000
Return on assets ()	Together	0.018	0.862	-4.815	78	0.000
	No			-4.815	77.561	0.000
Net interest rate on total assets ()	Together	0.010	0.912	-5.510	78	0.000
	No			-5.510	77.541	0.000
ROE ()	Together	1.262	0.264	-3.962	78	0.000
	No			-3.962	66.484	0.000
Operating net margin ()	Together	0.235	0.623	-3.512	78	0.000
	No			-3.512	77.541	0.000
Operating profit margin before interest and tax ()	Together	0.153	0.752	-2.952	78	0.005
	No			-2.952	77.564	0.005
Sustainable growth rate ()	Together	0.015	0.865	-4.152	78	0.000
	No			-4.152	77.564	0.000
Net cash content of operating income ()	Together	0.000	0.923	-2.612	78	0.018
	No			-2.612	77.645	0.018