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

Table 11

ARLs for proposed repetitive EWMA-RSS control chart using Khan et al. [8] 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	331.37	323.45	213.66
0.02	246.63	228.62	81.11
0.03	168.07	147.88	32.28
0.04	111.57	93.93	14.27
0.05	74.24	62.26	7.05
0.10	12.43	9.08	1.17
0.15	3.38	2.50	1.00
0.20	1.55	1.30	1.00
0.25	1.12	1.05	1.00
0.30	1.02	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