Table 7 The 95% interval estimation results of \(\vartheta\).

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

\((n_1,n_2)\)

\((m_{1},m_{2})\)

Test

ACI

BCI

ACI

BCI

Group-1

Group-2

Group-1

Group-2

\((T_{11},T_{12},T_{21},T_{22})\rightarrow\)

(0.5, 1.0, 0.4, 0.8)

(1.0, 1.5, 0.8, 1.2)

Set-1

AIL

CP

AIL

CP

AIL

CP

AIL

CP

AIL

CP

AIL

CP

(40,30)

(20, 10)

[1]

1.028

0.929

0.881

0.943

0.660

0.963

0.907

0.940

0.812

0.949

0.569

0.971

[2]

1.118

0.921

0.908

0.940

0.668

0.962

0.917

0.939

0.837

0.947

0.598

0.969

[3]

1.015

0.931

0.784

0.952

0.655

0.964

0.860

0.945

0.779

0.952

0.567

0.972

(30, 20)

[1]

0.933

0.938

0.741

0.956

0.597

0.969

0.845

0.946

0.677

0.962

0.535

0.975

[2]

0.980

0.934

0.751

0.955

0.625

0.966

0.855

0.945

0.742

0.956

0.549

0.973

[3]

0.928

0.938

0.715

0.958

0.558

0.972

0.789

0.951

0.631

0.966

0.535

0.975

(60,50)

(30, 20)

[1]

0.833

0.947

0.675

0.962

0.552

0.973

0.711

0.958

0.587

0.970

0.499

0.978

[2]

0.881

0.943

0.675

0.962

0.554

0.973

0.711

0.958

0.624

0.966

0.532

0.975

[3]

0.742

0.956

0.639

0.965

0.523

0.976

0.689

0.960

0.582

0.970

0.340

0.993

(40, 30)

[1]

0.677

0.962

0.595

0.969

0.355

0.991

0.622

0.967

0.556

0.973

0.329

0.994

[2]

0.728

0.957

0.639

0.965

0.362

0.991

0.687

0.961

0.577

0.971

0.331

0.993

[3]

0.666

0.963

0.567

0.972

0.355

0.991

0.600

0.969

0.538

0.974

0.320

0.994

(80,90)

(40, 50)

[1]

0.569

0.971

0.514

0.977

0.323

0.994

0.559

0.972

0.498

0.978

0.317

0.995

[2]

0.661

0.963

0.535

0.975

0.350

0.992

0.574

0.971

0.523

0.976

0.318

0.995

[3]

0.558

0.973

0.496

0.978

0.319

0.994

0.526

0.975

0.445

0.983

0.307

0.996

(60, 70)

[1]

0.525

0.976

0.475

0.980

0.307

0.996

0.508

0.977

0.422

0.985

0.301

0.996

[2]

0.531

0.975

0.490

0.979

0.314

0.995

0.516

0.976

0.424

0.985

0.306

0.996

[3]

0.517

0.976

0.445

0.982

0.305

0.996

0.500

0.977

0.399

0.987

0.286

0.997