Research Article
Estimation in Step-Stress Accelerated Life Tests for Power Generalized Weibull Distribution with Progressive Censoring
Table 7
The optimal change stress time
with true values
,
, and
.
| | | | C.S | Optimal stress change time |
| | 15 | 9 | 3 | | 3.6359 | | 3.7274 | | 3.5404 | | 12 | 4 | | 3.4944 | | 3.6542 | | 3.4599 |
| | 25 | 15 | 5 | | 3.4273 | | 3.5460 | | 3.4446 | | 20 | 7 | | 3.4179 | | 3.5405 | | 3.4601 |
| | 50 | 30 | 10 | | 2.7102 | | 3.5353 | | 2.7102 | | 40 | 15 | | 2.7102 | | 3.4954 | | 2.7102 |
|
|
