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

Table 13

The ARL and SDRL comparison of the proposed chart with MDS for UTI data at  = 370 with the value varying from 2 to 5.

	MMDS		MDS		MMDS		MDS		MMDS		MDS		MMDS		MDS
	2				3				4				5
	2.85412		3.09359		2.77324		3.18082		2.83068		2.95801		3.04052		3.03891
	1.67334		2.07679		2.06525		2.13187		1.94589		2.21982		1.86324		2.22984
	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL	ARL	SDRL
1	370.01	369.51	370.01	369.51	369.99	369.49	369.99	369.49	369.99	369.49	369.99	369.49	370.02	369.52	370.02	369.52
0.90	224.50	224.00	239.62	239.12	225.51	225.01	239.59	239.09	219.23	218.73	226.41	225.91	222.49	221.99	227.47	226.97
0.80	125.48	124.98	139.58	139.07	126.88	126.38	138.50	138.00	119.50	119.00	126.06	125.56	120.51	120.01	126.18	125.68
0.70	66.42	65.92	75.23	74.73	67.75	67.25	73.62	73.12	61.66	61.15	65.97	65.47	60.66	60.15	65.36	64.86
0.60	34.01	33.50	38.63	38.13	35.02	34.51	37.17	36.67	30.80	30.30	33.39	32.89	29.28	28.77	32.67	32.17
0.50	17.12	16.61	19.38	18.88	17.77	17.26	18.37	17.86	15.22	14.71	16.77	16.26	14.00	13.49	16.24	15.73
0.40	8.61	8.10	9.72	9.20	9.00	8.48	9.13	8.62	7.62	7.10	8.55	8.03	6.88	6.36	8.25	7.74
0.30	4.42	3.89	4.98	4.45	4.65	4.12	4.70	4.17	4.00	3.46	4.54	4.01	3.62	3.08	4.42	3.88
0.20	2.39	1.82	2.67	2.11	2.54	1.98	2.57	2.01	2.28	1.71	2.57	2.01	2.14	1.56	2.54	1.98
0.10	1.43	0.79	1.55	0.93	1.52	0.89	1.54	0.92	1.46	0.82	1.57	0.95	1.42	0.77	1.57	0.95