A Control Chart for Exponentially Distributed Characteristics Using Modified Multiple Dependent State Sampling

Table 10

The ARL comparison of the proposed chart with GMDS at  = 300.

	MMDS	GMDS	MMDS	GMDS	MMDS	GMDS	MMDS	GMDS
	4		5		6		7
	—	2	—	3	—	4	—	4
	2.74652	2.7682	2.89292	2.8651	2.95491	2.7608	3.08241	2.9145
	2.03462	1.5442	1.87672	1.5572	1.89838	1.7252	1.90958	1.4368
	ARL		ARL		ARL		ARL
1	300.01	300.00	300.02	300.00	300.01	300.00	300.03	299.99
0.90	186.19	190.63	181.02	188.21	180.56	187.83	183.17	185.92
0.80	106.03	111.50	99.49	107.99	98.42	107.76	100.01	105.00
0.70	57.00	61.59	51.36	58.05	50.16	58.07	50.49	55.27
0.60	29.58	32.74	25.62	29.85	24.69	29.94	24.48	27.71
0.50	15.11	16.98	12.71	14.96	12.14	15.00	11.88	13.52
0.40	7.76	8.69	6.48	7.48	6.20	7.46	6.03	6.61
0.30	4.14	4.47	3.53	3.84	3.42	3.83	3.35	3.39