Research Article
A Simple Approach for Monitoring Business Service Time Variation
Table 11
The
of the EWMA-AM and EWMA-AV charts for
,
, and
.
| | |
|
|
| | 0.1 | 0.3 | 0.7 | 0.1 | 0.3 | 0.7 | 0.1 | 0.3 | 0.7 |
| | 10 | 5 | 2.6 | 3.8 | 3.8 | 3.4 | 6.4 | 6.4 | 2.6 | 3.9 | 3.9 | | 12 | 6 | 2.3 | 3.5 | 3.5 | 3.1 | 5.8 | 5.7 | 2.3 | 3.5 | 3.5 | | 14 | 7 | 2.1 | 3.2 | 3.2 | 2.8 | 5.3 | 5.2 | 2.1 | 3.2 | 3.2 | | 16 | 8 | 2.0 | 3.0 | 3.0 | 2.7 | 4.9 | 4.8 | 2.0 | 3.0 | 3.0 | | 18 | 9 | 1.9 | 2.8 | 2.8 | 2.6 | 4.6 | 4.6 | 1.9 | 2.8 | 2.8 | | 20 | 10 | 1.8 | 2.7 | 2.6 | 2.5 | 4.3 | 4.2 | 1.8 | 2.7 | 2.6 | | 22 | 11 | 1.8 | 2.5 | 2.5 | 2.4 | 4.1 | 4.1 | 1.8 | 2.5 | 2.5 | | 24 | 12 | 1.7 | 2.4 | 2.4 | 2.3 | 3.9 | 3.8 | 1.7 | 2.4 | 2.4 | | 26 | 13 | 1.6 | 2.3 | 2.3 | 2.1 | 3.7 | 3.7 | 1.6 | 2.3 | 2.3 | | 28 | 14 | 1.5 | 2.3 | 2.2 | 2.0 | 3.6 | 3.6 | 1.5 | 2.3 | 2.2 | | 30 | 15 | 1.4 | 2.2 | 2.1 | 1.9 | 3.5 | 3.4 | 1.4 | 2.2 | 2.2 |
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