Research Article
A New Statistical Approach Based on the Access of Electricity Application with Some Modified Control Charts
Table 8
Comparison of the
and
when
by using the EWMA control charts with
.
| Methods | Shifts | ARL | SDRL | | | | | |
| MLE | 0 | 200.16 | 203.1541 | 20 | 67 | 133 | 241 | 472.3 | 3.05 | 17.7035 | 17.11707 | 2 | 7 | 13 | 21 | 40 | 3.1 | 16.176 | 15.82451 | 2 | 6 | 11 | 19 | 38 | 3.2 | 12.7665 | 12.65631 | 2 | 5 | 9 | 15 | 30 | 3.4 | 8.414 | 8.080857 | 1 | 3 | 6 | 10 | 18 | 3.6 | 5.9335 | 5.406819 | 1 | 2 | 4 | 7 | 13 | 3.8 | 4.3285 | 3.860057 | 1 | 2 | 3 | 5 | 10 | 4 | 3.3525 | 2.903008 | 1 | 1 | 2 | 4 | 7 | 4.2 | 2.6075 | 2.216958 | 1 | 1 | 2 | 3 | 5 | 4.4 | 2.2005 | 1.661228 | 1 | 1 | 2 | 2 | 4 | 4.6 | 1.835 | 1.273808 | 1 | 1 | 1 | 2 | 4 |
| MMLE | 0 | 200.542 | 198.8219 | 21 | 73.7 | 139.5 | 240.3 | 450.5 | 2.5 | 1.5635 | 0.943617 | 1 | 1 | 1 | 2 | 3 | 3.1 | 1.5345 | 0.932333 | 1 | 1 | 1 | 2 | 3 | 3.2 | 1.451 | 0.833634 | 1 | 1 | 1 | 2 | 3 | 3.4 | 1.2935 | 0.665266 | 1 | 1 | 1 | 1 | 2 | 3.6 | 1.2135 | 0.532033 | 1 | 1 | 1 | 1 | 2 | 3.8 | 1.1645 | 0.459941 | 1 | 1 | 1 | 1 | 2 | 4 | 1.103 | 0.344166 | 1 | 1 | 1 | 1 | 1 | 4.2 | 1.0825 | 0.296205 | 1 | 1 | 1 | 1 | 1 | 4.4 | 1.0455 | 0.21553 | 1 | 1 | 1 | 1 | 1 | 4.6 | 1.039 | 0.208568 | 1 | 1 | 1 | 1 | 1 |
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