Research Article
A New Statistical Approach Based on the Access of Electricity Application with Some Modified Control Charts
Table 5
Comparison of the
and
when
by using the EWMA control charts with
.
| | Methods | Shifts | ARL | SDRL | | | | | |
| | MLE | 0 | 300.671 | 292.3798 | 32 | 111 | 210.5 | 369.3 | 701.4 | | 3.05 | 67.3875 | 66.62309 | 7 | 26 | 47 | 80 | 155.1 | | 3.1 | 55.5485 | 54.39414 | 6 | 20 | 38 | 67 | 129 | | 3.2 | 42.8245 | 42.40573 | 5 | 14 | 30 | 52 | 100 | | 3.4 | 24.75 | 24.25493 | 3 | 9 | 17 | 29 | 57 | | 3.6 | 15.174 | 15.34531 | 2 | 6 | 10 | 18 | 34 | | 3.8 | 10.0275 | 9.719001 | 1 | 4 | 7 | 12 | 23 | | 4 | 6.722 | 6.40728 | 1 | 3 | 5 | 8 | 15 | | 4.2 | 5.0665 | 4.511125 | 1 | 2 | 4 | 6 | 11 | | 4.4 | 3.542 | 3.130037 | 1 | 1 | 3 | 4 | 8 | | 4.6 | 2.8505 | 2.235542 | 1 | 1 | 2 | 3 | 6 |
| | MMLE | 0 | 300.4515 | 299.5582 | 30.9 | 107 | 206.5 | 360.3 | 693.1 | | 2.5 | 1.629 | 1.03629 | 1 | 1 | 1 | 2 | 3 | | 3.1 | 1.563 | 0.918397 | 1 | 1 | 1 | 2 | 3 | | 3.2 | 1.483 | 0.888316 | 1 | 1 | 1 | 2 | 3 | | 3.4 | 1.371 | 0.72844 | 1 | 1 | 1 | 1 | 2 | | 3.6 | 1.253 | 0.582375 | 1 | 1 | 1 | 1 | 2 | | 3.8 | 1.181 | 0.486166 | 1 | 1 | 1 | 1 | 2 | | 4 | 1.1255 | 0.380555 | 1 | 1 | 1 | 1 | 2 | | 4.2 | 1.0945 | 0.345875 | 1 | 1 | 1 | 1 | 1 | | 4.4 | 1.0575 | 0.245406 | 1 | 1 | 1 | 1 | 1 | | 4.6 | 1.038 | 0.206343 | 1 | 1 | 1 | 1 | 1 |
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