Table 3 The different methods of estimations for \((\lambda ,\mu ,\theta ,\gamma )\) using real data.

From: Different estimation techniques for constant-partially accelerated life tests of chen distribution using complete data

Estimates

MLE

LSE

WLSE

CVME

ADE

RADE

QE

MPSE

\({\hat{\lambda }}\)

0.0642

0.0908

0.0719

0.0744

0.0970

0.1061

0.1787

0.0841

\({\hat{\xi }}\)

0.3971

0.4455

0.50002

0.5070

0.3665

0.3474

0.27004

0.3572

\({\hat{\varphi }}\)

3.3623

1.6357

1.7469

1.6372

1.9911

2.1199

2.3421

2.7257

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