Exponentially Weighted Moving Average Control Charts for the Process Mean Using Exponential Ratio Type Estimator

Table 7

ARLs for proposed repetitive EWMA-RSS control chart using Khan et al. [8] exponential ratio-type estimator, when is 500.

shift	= 3.0958, = 2.339, λ = 0.1
f	= 0.25	= 0.50	= 0.90
0	500.62	500.62	500.62
0.01	393.36	374.56	177.62
0.02	226.36	198.83	41.57
0.03	121.12	99.58	11.81
0.04	65.61	51.20	4.23
0.05	36.70	27.46	2.02
0.10	3.61	2.57	1.00
0.15	1.23	1.10	1.00
0.20	1.01	1.00	1.00
0.25	1.00	1.00	1.00
0.30	1.00	1.00	1.00
0.35	1.00	1.00	1.00
0.40	1.00	1.00	1.00
0.5	1.00	1.00	1.00