Design of a Control Chart Based on COM-Poisson Distribution for the Uncertainty Environment

Table 4

Comparison of NARLs when and .

Proposed Chart				Existing Chart
	NARL			ARL
1	[200.0,200.5]	[300.2,302.0]	[370.0,372.7	200.0	300.0	370.0
1.0125	[172.2,181.7]	[255.2,271.4]	[312.5,333.5]	177.5	263.7	323.5
1.025	[144.9,162.5]	[211.6,240.4]	[257.2,293.9]	154.9	227.4	277.3
1.0375	[119.8,143.7]	[172.3,210.3]	[207.7,255.8]	133.2	193.1	234.0
1.05	[98.0,125.9]	[138.6,182.3]	[165.6,220.5]	113.4	162.3	195.3
1.0625	[79.6,109.7]	[110.8,157.0]	[131.3,188.8]	95.9	135.4	161.8
1.075	[64.6,95.1]	[88.5,134.6]	[104.0,160.9]	80.8	112.5	133.6
1.125	[28.9,53.3]	[37.4,72.1]	[42.7,84.3]	40.9	54.2	62.7
1.15	[20.1,40.2]	[25.3,53.4]	[28.5,61.8]	29.7	38.5	44.0
1.2	[10.6,23.8]	[12.8,30.5]	[14.1,34.7]	16.6	20.7	23.2
1.25	[6.2,15.0]	[7.3,18.6]	[7.9,20.8]	10.0	12.1	13.4
1.3	[4.0,10.0]	[4.6,12.1]	[4.9,13.3]	6.6	7.7	8.4
1.35	[2.9,7.0]	[3.2,8.3]	[3.3,9.0]	4.6	5.2	5.6
1.4	[2.2,5.2]	[2.3,6.0]	[2.4,6.4]	3.4	3.8	4.0
1.45	[1.7,4.0]	[1.8,4.5]	[1.9,4.8]	2.6	2.9	3.0
1.5	[1.5,3.1]	[1.5,3.5]	[1.6,3.7]	2.1	2.3	2.4
1.6	[1.2,2.2]	[1.2,2.4]	[1.2,2.5]	1.6	1.6	1.7
1.8	[1.0,1.4]	[1.0,1.4]	[1.0,1.5]	1.1	1.1	1.1
1.9	[1.0,1.2]	[1.0,1.2]	[1.0,1.3]	1.0	1.0	1.0
2	[1.0,1.1]	[1.0,1.1]	[1.0,1.18]	1.0	1.0	1.0