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

Table 17

The ARL and SDRL comparison of the proposed chart with the MDS chart for TRC data at  = 370 with value varying from 6 to 9.

	MMDS		MDS		MMDS		MDS		MMDS		MDS		MMDS		MDS
	6				7				8				9
	2.79685		3.15202		2.90606		3.10523		3.05044		3.08986		2.95615		3.18391
	2.13339		2.24025		2.01025		2.26763		1.98476		2.28843		2.04333		2.29514
	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL
1	370.00	369.50	370.00	369.50	370.01	369.51	370.01	369.51	370.01	369.51	370.00	369.50	370.01	369.51	370.01	369.51
0.90	219.84	219.33	230.05	229.55	213.25	212.75	226.52	226.02	215.68	215.18	224.52	224.02	210.90	210.40	226.34	225.84
0.80	120.06	119.55	127.75	127.25	112.22	111.72	124.35	123.85	112.93	112.43	122.35	121.85	109.17	108.67	123.37	122.87
0.70	61.99	61.49	65.66	65.16	55.67	55.17	63.52	63.02	55.06	54.56	62.21	61.70	53.15	52.65	62.35	61.85
0.60	30.96	30.46	32.43	31.93	26.84	26.33	31.35	30.85	25.98	25.48	30.66	30.16	25.24	24.73	30.49	29.99
0.50	15.30	14.80	15.95	15.44	12.99	12.48	15.49	14.98	12.37	11.86	15.20	14.69	12.17	11.66	15.03	14.52
0.40	7.71	7.19	8.08	7.56	6.56	6.04	7.93	7.41	6.23	5.70	7.83	7.32	6.23	5.71	7.75	7.23
0.30	4.11	3.58	4.34	3.81	3.61	3.07	4.33	3.79	3.46	2.92	4.32	3.79	3.53	2.98	4.30	3.77
0.20	2.40	1.83	2.53	1.97	2.21	1.64	2.55	1.99	2.17	1.59	2.57	2.01	2.22	1.65	2.58	2.01
0.10	1.53	0.90	1.58	0.95	1.47	0.84	1.59	0.97	1.46	0.82	1.60	0.98	1.49	0.85	1.60	0.98