A New Statistical Approach Based on the Access of Electricity Application with Some Modified Control Charts

Table 8

Comparison of the and when by using the EWMA control charts with .

Methods	Shifts	ARL	SDRL
MLE	0	200.16	203.1541	20	67	133	241	472.3
	3.05	17.7035	17.11707	2	7	13	21	40
	3.1	16.176	15.82451	2	6	11	19	38
	3.2	12.7665	12.65631	2	5	9	15	30
	3.4	8.414	8.080857	1	3	6	10	18
	3.6	5.9335	5.406819	1	2	4	7	13
	3.8	4.3285	3.860057	1	2	3	5	10
	4	3.3525	2.903008	1	1	2	4	7
	4.2	2.6075	2.216958	1	1	2	3	5
	4.4	2.2005	1.661228	1	1	2	2	4
	4.6	1.835	1.273808	1	1	1	2	4
MMLE	0	200.542	198.8219	21	73.7	139.5	240.3	450.5
	2.5	1.5635	0.943617	1	1	1	2	3
	3.1	1.5345	0.932333	1	1	1	2	3
	3.2	1.451	0.833634	1	1	1	2	3
	3.4	1.2935	0.665266	1	1	1	1	2
	3.6	1.2135	0.532033	1	1	1	1	2
	3.8	1.1645	0.459941	1	1	1	1	2
	4	1.103	0.344166	1	1	1	1	1
	4.2	1.0825	0.296205	1	1	1	1	1
	4.4	1.0455	0.21553	1	1	1	1	1
	4.6	1.039	0.208568	1	1	1	1	1