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

Table 7

The ARL and SDRL comparison of the proposed chart with the MDS chart at  = 370 with the value varying from 2 to 6.

	MMDS		MDS		MMDS		MDS		MMDS		MDS		MMDS		MDS		MMDS		MDS
	2				3				4				5				6
	2.78334		2.91731		2.86733		2.98925		3.01155		3.06655		2.99841		3.19171		3.06503		3.18454
	1.86932		2.13330		1.80537		2.16569		1.80629		2.19134		1.87564		2.20979		1.90764		2.23733
	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL
1	370.10	369.52	370.05	369.55	370.06	369.56	370.04	369.54	369.99	369.49	370.05	369.55	369.99	369.49	370.01	369.51	370.00	369.50	370.01	369.51
0.90	225.34	224.84	230.10	229.60	221.27	220.77	230.11	229.61	224.24	223.74	230.93	23.43	220.17	219.67	233.81	233.31	220.93	220.43	231.29	230.79
0.80	126.83	126.33	130.81	130.31	121.59	121.09	129.83	129.32	122.95	122.45	129.73	129.23	118.60	118.10	131.60	131.10	118.42	117.91	128.81	128.31
0.70	67.87	67.37	70.07	69.57	63.16	62.66	68.58	68.08	62.79	62.29	67.79	67.29	59.66	59.15	68.24	67.74	58.87	58.37	66.22	65.72
0.60	35.22	34.72	36.26	35.76	31.73	31.23	34.91	34.40	30.74	30.23	34.04	33.53	28.88	28.37	33.82	33.32	28.10	27.60	32.66	32.16
0.50	17.97	17.46	18.50	17.99	15.72	15.21	17.54	17.03	14.83	14.32	16.90	16.39	13.88	13.37	16.59	16.08	13.36	12.85	16.02	15.51
0.40	9.13	8.62	9.46	8.94	7.85	7.33	8.89	8.38	7.28	6.76	8.53	8.01	6.86	6.34	8.32	7.80	6.59	6.07	8.09	7.57
0.30	4.71	4.18	4.93	4.41	4.07	3.53	4.66	4.13	3.77	3.24	4.49	3.96	3.63	3.09	4.40	3.87	3.53	2.99	4.34	3.81
0.20	2.54	1.97	2.69	2.13	2.27	1.70	2.59	2.03	2.16	1.58	2.54	1.98	2.14	1.57	2.52	1.96	2.13	1.55	2.53	1.97
0.10	1.49	0.86	1.57	0.95	1.43	0.78	1.56	0.93	1.41	0.76	1.56	0.93	1.43	0.78	1.56	0.94	1.43	0.79	1.57	0.95