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REFERENCE TABLES
QUALITY ASSURANCE TABLES STATISTICAL TABLES
:: Standard Factors for Control Charts
:: Distribution of Average Range
:: Run Length Limits for Run Charts
:: Normal Distribution
:: Poisson Distribution
:: t Distribution
:: Chi Square Distribution
:: F Distribution
TAGUCHI ORTHOGONAL ARRAYS  
:: Selected Taguchi Orthogonal Arrays

 

   
Values of t for a Specified Right Tail Area

Percentage Points of the t Distribution

 
Level of Significance a

n

0.4

0.25

0.1

0.05

0.025

0.01

0.005

0.0025

0.001

0.0005

1

0.325

1.000

3.078

6.314

12.706

31.821

63.656

127.321

318.289

636.578

2

0.289

0.816

1.886

2.920

4.303

6.965

9.925

14.089

22.328

31.600

3

0.277

0.765

1.638

2.353

3.182

4.541

5.841

7.453

10.214

12.924

4

0.271

0.741

1.533

2.132

2.776

3.747

4.604

5.598

7.173

8.610

5

0.267

0.727

1.476

2.015

2.571

3.365

4.032

4.773

5.894

6.869

6

0.265

0.718

1.440

1.943

2.447

3.143

3.707

4.317

5.208

5.959

7

0.263

0.711

1.415

1.895

2.365

2.998

3.499

4.029

4.785

5.408

8

0.262

0.706

1.397

1.860

2.306

2.896

3.355

3.833

4.501

5.041

9

0.261

0.703

1.383

1.833

2.262

2.821

3.250

3.690

4.297

4.781

10

0.260

0.700

1.372

1.812

2.228

2.764

3.169

3.581

4.144

4.587

11

0.260

0.697

1.363

1.796

2.201

2.718

3.106

3.497

4.025

4.437

12

0.259

0.695

1.356

1.782

2.179

2.681

3.055

3.428

3.930

4.318

13

0.259

0.694

1.350

1.771

2.160

2.650

3.012

3.372

3.852

4.221

14

0.258

0.692

1.345

1.761

2.145

2.624

2.977

3.326

3.787

4.140

15

0.258

0.691

1.341

1.753

2.131

2.602

2.947

3.286

3.733

4.073

16

0.258

0.690

1.337

1.746

2.120

2.583

2.921

3.252

3.686

4.015

17

0.257

0.689

1.333

1.740

2.110

2.567

2.898

3.222

3.646

3.965

18

0.257

0.688

1.330

1.734

2.101

2.552

2.878

3.197

3.610

3.922

19

0.257

0.688

1.328

1.729

2.093

2.539

2.861

3.174

3.579

3.883

20

0.257

0.687

1.325

1.725

2.086

2.528

2.845

3.153

3.552

3.850

21

0.257

0.686

1.323

1.721

2.080

2.518

2.831

3.135

3.527

3.819

22

0.256

0.686

1.321

1.717

2.074

2.508

2.819

3.119

3.505

3.792

23

0.256

0.685

1.319

1.714

2.069

2.500

2.807

3.104

3.485

3.768

24

0.256

0.685

1.318

1.711

2.064

2.492

2.797

3.091

3.467

3.745

25

0.256

0.684

1.316

1.708

2.060

2.485

2.787

3.078

3.450

3.725

26

0.256

0.684

1.315

1.706

2.056

2.479

2.779

3.067

3.435

3.707

27

0.256

0.684

1.314

1.703

2.052

2.473

2.771

3.057

3.421

3.689

28

0.256

0.683

1.313

1.701

2.048

2.467

2.763

3.047

3.408

3.674

29

0.256

0.683

1.311

1.699

2.045

2.462

2.756

3.038

3.396

3.660

30

0.256

0.683

1.310

1.697

2.042

2.457

2.750

3.030

3.385

3.646

40

0.255

0.681

1.303

1.684

2.021

2.423

2.704

2.971

3.307

3.551

60

0.254

0.679

1.296

1.671

2.000

2.390

2.660

2.915

3.232

3.460

120

0.254

0.677

1.289

1.658

1.980

2.358

2.617

2.860

3.160

3.373

0.253

0.674

1.282

1.645

1.960

2.326

2.576

2.807

3.090

3.291

 


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