Providing an Expert System to Manage Energy Consumption in Small- and Medium-Sized Industries Using Soft Computing

Table 17

SPSS software outputs regarding the different tests of the average amount of overproduction.

Treatment	Levene’s test for equality of variances		t-Test for equality of means
	F	Sig.	t	df	value	Mean difference	SD	95% confidence interval of the difference
								Lower	Upper
Equal variances assumed	96.758	0.000	7.211	122	0.000	13.40323	1.85871	9.72372	17.08273
Equal variances not assumed	—	—	7.211	74.724	0.000	13.40323	1.85871	9.70026	17.10619