Research Article

Statistical Analysis of a Weibull Extension with Bathtub-Shaped Failure Rate Function

Table 1

The bathtub bottom width.


0.1 0.5 0.5696 1.6729 1.1033 0.3 5.7180 44.6868 38.9688
1 0.4475 2.0322 1.5847 0.5 0.5696 1.6729 1.1033
2 0.3172 2.6219 2.3047 0.8 0.0867 0.3216 0.2349

0.01 0.5 0.8404 1.1841 0.3437 0.3 12.0165 23.3669 11.3504
1 0.7810 1.2679 0.4869 0.5 0.8404 1.1841 0.3437
2 0.7034 1.3943 0.6909 0.8 0.1428 0.2163 0.0734

0.001 0.5 0.9470 1.0555 0.1085 0.3 15.1556 18.7121 3.5565
1 0.9257 1.0792 0.1535 0.5 0.9470 1.0555 0.1085
2 0.8963 1.1135 0.2171 0.8 0.1655 0.1887 0.0232

0.0001 0.5 0.9830 1.0173 0.0343 0.3 16.2962 17.4198 1.1236
1 0.9760 1.0245 0.0485 0.5 0.9830 1.0173 0.0343
2 0.9662 1.0348 0.0686 0.8 0.1731 0.1805 0.0073