Table 7 Independent samples test

Classification		Levene's statistic		t-test for equality of means
		F	Sig.	t	af	Sig (2-tailed)	Mean difference	Std. error difference
Green	Equal variances assumed	1.079	0.299	4.950	510	0.000	7.75000	1.56577
	Equal variances not assumed			4.950	509.108	0.000	7.75000	1.56577
Residential area	Equal variances assumed	2.112	0.147	6.726	510	0.000	10.39453	1.54553
	Equal variances not assumed			6.726	509.859	0.000	10.39453	1.54553