Table 13 Summary fit for the Weibull lifespan model from LED datasets.

From: Analysis of Weibull time metrics using normal operating via partially accelerated tests with improved adaptive progressive censoring and its applications

Stress

Par.

MLE(SE)

95% ACI

\(\textsf {KS}\)(P-Value)

Low.

Upp.

IL

Normal Use

\(\vartheta\)

1.2543 (0.1119)

1.0351

1.4737

0.4386

0.1369 (0.2269)

\(\phi\)

0.6325 (0.0999)

0.4367

0.8283

0.3916

 

Accelerated

\(\vartheta\)

1.3516 (0.1248)

1.1070

1.5963

0.4893

0.0928 (0.7002)

\(\phi\)

0.9769 (0.1367)

0.7090

1.2448

0.5358

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