A Simple Approach for Monitoring Business Service Time Variation

Table 10

The ARL₁ of the EWMA-AM and EWMA-AV charts for 𝜆₁=𝜆₂=0.05, 𝑝_𝑚0=0.3, and 𝑝_𝑣0=0.1.

𝑛1	0.5𝑛2	𝑝𝑣1=0.1; 𝑝𝑚1			𝑝𝑣1=0.3; 𝑝𝑚1			𝑝𝑣1=0.7; 𝑝𝑚1
		0.1	0.3	0.7	0.1	0.3	0.7	0.1	0.3	0.7
10	5	7.2	187.2	3.7	3.6	7.0	2.4	1.8	2.4	1.5
12	6	6.4	186.1	3.4	3.2	6.3	2.2	1.7	2.3	1.4
14	7	6.0	185.1	3.1	3.0	5.8	2.0	1.5	2.0	1.2
16	8	5.6	185.0	2.9	2.8	5.4	1.9	1.5	2.0	1.2
18	9	5.3	184.7	2.7	2.7	5.1	1.8	1.5	2.0	1.1
20	10	4.9	185.1	2.6	2.5	4.8	1.7	1.4	1.9	1.1
22	11	4.7	185.5	2.5	2.3	4.5	1.6	1.4	1.9	1.1
24	12	4.5	185.0	2.4	2.2	4.3	1.6	1.3	1.8	1.0
26	13	4.3	185.0	2.3	2.1	4.2	1.5	1.2	1.6	0.9
28	14	4.3	185.5	2.2	2.1	4.1	1.4	1.2	1.6	0.9
30	15	4.1	185.3	2.2	2.0	4.0	1.4	1.1	1.5	0.9