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

Table 5

ARLs for proposed repetitive EWMA-RSS control chart using Bahl and Tuteja (1991) exponential ratio-type estimator, when is 370.

shift	= 3.0025, = 2.6008, λ = 0.2
f	= 0.25	= 0.50	= 0.90
0	370.98	370.98	370.98
0.01	344.26	338.92	299.54
0.02	279.70	265.39	182.59
0.03	209.89	190.99	102.19
0.04	151.89	133.01	58.80
0.05	108.78	92.16	34.57
0.10	23.02	17.51	4.24
0.15	6.62	4.85	1.42
0.20	2.65	2.03	1.04
0.25	1.51	1.28	1.00
0.30	1.15	1.06	1.00
0.35	1.04	1.01	1.00
0.40	1.01	1.00	1.00
0.5	1.00	1.00	1.00