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

Table 3

ARLs for proposed repetitive EWMA-RSS control chart using Bahl and Tuteja (1991) exponential ratio-type estimator, when is 500.

shift	= 3.0958, = 2.339, λ = 0.3
f	= 0.25	= 0.50	= 0.90
0	500.62	500.62	500.62
0.01	478.40	473.24	433.91
0.02	413.12	397.69	299.94
0.03	333.88	310.58	189.33
0.04	259.47	233.21	117.32
0.05	197.80	172.26	73.38
0.10	50.70	39.32	9.52
0.15	15.21	11.01	2.30
0.20	5.53	3.93	1.21
0.25	2.54	1.91	1.03
0.30	1.53	1.28	1.00
0.35	1.18	1.08	1.00
0.40	1.06	1.02	1.00
0.5	1.00	1.00	1.00