Table 3.

Multicollinearity correlation statistics.

Variable	Nonstandardized coefficient		Standardized coefficient		Significance	Colinear statistics
	B	Standard error	Beta	T		Allowance	VIF
(Constant)	1.336	0.455		2.938	0.0005
X1	−0.461	0.235	−0.365	−1.953	0.056	0.107	9.301
X2	−0.744	0.483	−0.403	−1.546	0.128	0.056	18.577
X3	−2.600	2.223	−0.286	−1.167	0.248	0.063	15.503
X4	1.201	0.667	1.092	1.775	0.082	0.011	100.335
X5	−0.122	0.154	−0.086	−0.841	0.405	0.382	2.647
X6	0.000	0.002	−0.023	−0.263	0.799	0.584	1.712
X7	−0.073	0.138	−0.043	−0.543	0.599	0.601	1.676
X8	0.002	0.002	0.078	0.916	0.365	0.537	1.888
X9	−0.002	0.014	−0.031	−0.145	0.876	0.090	11.291
X10	−0.301	0.284	−0.133	−1.066	0.298	0.240	4.142
X11	0.343	0.233	0.211	1.479	0.151	0.188	5.406
X12	0.311	0.263	0.543	1.120	0.245	0.019	59.943
X13	−0.133	0.264	−0.220	−0.503	0.621	0.020	49.615
X14	−0.294	0.747	−0.088	−0.398	0.699	0.089	11.452
X15	0.111	0.102	0.333	1.054	0.299	0.041	24.833
X16	0.087	0.192	0.055	0.472	0.644	0.251	4.066
X17	−0.114	0.123	−0.721	−0.951	0.351	0.007	157.601
X18	0.023	0.098	0.099	0.248	0.802	0.023	42.153
X19	−0.776	0.369	−0.156	−2.101	0.043	0.726	1.401
X20	0.995	1.044	0.255	0.941	0.351	0.054	18.977
X21	−2.454	2.705	−0.077	−0.921	0.369	0.498	2.006