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

Table 6

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 = 0.3
f	= 0.25	= 0.50	= 0.90
0	370.98	370.98	370.98
0.01	354.10	350.54	323.19
0.02	308.61	279.75	228.05
0.03	252.42	235.71	147.27
0.04	198.73	179.57	93.41
0.05	153.54	134.61	59.86
0.10	42.24	33.27	8.99
0.15	13.80	10.26	2.48
0.20	5.51	4.05	1.29
0.25	2.72	2.07	1.05
0.30	1.67	1.38	1.00
0.35	1.26	1.13	1.00
0.40	1.09	1.04	1.00
0.5	1.01	1.00	1.00