T分布临界值表.docx

T分布临界值表.docx

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T分布临界值表

T分布临界值表

LT

T分布表

Df

自由度

P

概率

0.1

0.05

0.025

0.01

0.005

0.001

0.0005

单尾

0.2

0.1

0.05

0.02

0.01

0.002

0.001

双尾

1

3.078

6.314

12.706

31.821

63.657

318.309

636.619

2

1.886

2.920

4.303

6.965

9.925

22.327

31.599

3

1.638

2.353

3.182

4.541

5.841

10.215

12.924

4

1.533

2.132

2.776

3.747

4.604

7.173

8.610

5

1.476

2.015

2.571

3.365

4.032

5.893

6.869

6

1.440

1.943

2.447

3.143

3.707

5.208

5.959

7

1.415

1.895

2.365

2.998

3.499

4.785

5.408

8

1.397

1.860

2.306

2.896

3.355

4.501

5.041

9

1.383

1.833

2.262

2.821

3.250

4.297

4.781

10

1.372

1.812

2.228

2.764

3.169

4.144

4.587

11

1.363

1.796

2.201

2.718

3.106

4.025

4.437

12

1.356

1.782

2.179

2.681

3.055

3.930

4.318

13

1.350

1.771

2.160

2.650

3.012

3.852

4.221

14

1.345

1.761

2.145

2.624

2.977

3.787

4.140

15

1.341

1.753

2.131

2.602

2.947

3.733

4.073

16

1.337

1.746

2.120

2.583

2.921

3.686

4.015

17

1.333

1.740

2.110

2.567

2.898

3.646

3.965

18

1.330

1.734

2.101

2.552

2.878

3.610

3.922

19

1.729

2.093

2.539

2.861

3.579

3.883

20

1.725

2.086

2.528

2.845

3.552

3.850

21

1.721

2.080

2.518

2.831

3.527

3.819

22

1.717

2.074

2.508

2.819

3.505

3.792

23

1.714

2.069

2.500

2.807

3.485

3.768

24

1.711

2.064

2.492

2.797

3.467

3.745

25

1.708

2.060

2.485

2.787

3.450

3.725

26

1.706

2.056

2.479

2.779

3.435

3.707

27

1.703

2.052

2.473

2.771

3.421

3.690

28

1.701

2.048

2.467

2.763

3.408

3.674

29

1.699

2.045

2.462

2.756

3.396

3.659

30

1.697

2.042

2.457

2.750

3.385

3.646

31

1.696

2.040

2.453

2.744

3.375

3.633

32

1.694

2.037

2.449

2.738

3.365

3.622

33

1.692

2.035

2.445

2.733

3.356

3.611

34

1.691

2.032

2.441

2.728

3.348

3.601

35

1.690

2.030

2.438

2.724

3.340

3.591

36

1.688

2.028

2.434

2.719

3.333

3.582

37

1.687

2.026

2.431

2.715

3.326

3.574

38

1.686

2.024

2.429

2.712

3.319

3.566

39

1.685

2.023

2.426

2.708

3.313

3.558

40

1.684

2.021

2.423

2.704

3.307

3.551

41

1.683

2.020

2.421

2.701

3.301

3.544

42

1.302

1.682

2.018

2.418

2.698

3.296

3.538

43

1.302

1.681

2.017

2.416

2.695

3.291

3.532

44

1.301

1.680

2.015

2.414

2.692

3.286

3.526

45

1.301

1.679

2.014

2.412

2.690

3.281

3.520

46

1.300

1.679

2.013

2.410

2.687

3.277

3.515

47

1.300

1.678

2.012

2.408

2.685

3.273

3.510

48

1.299

1.677

2.011

2.407

2.682

3.269

3.505

49

1.299

1.677

2.010

2.405

2.680

3.265

3.500

50

1.299

1.676

2.009

2.403

2.678

3.261

3.496

51

1.298

1.675

2.008

2.402

2.676

3.258

3.492

52

1.298

1.675

2.007

2.400

2.674

3.255

3.488

53

1.298

1.674

2.006

2.399

2.672

3.251

3.484

54

1.297

1.674

2.005

2.397

2.670

3.248

3.480

55

1.297

1.673

2.004

2.396

2.668

3.245

3.476

56

1.297

1.673

2.003

2.395

2.667

3.242

3.473

57

1.297

1.672

2.002

2.394

2.665

3.239

3.470

58

1.296

1.672

2.002

2.392

2.663

3.237

3.466

59

1.296

1.671

2.001

2.391

2.662

3.234

3.463

60

1.296

1.671

2.000

2.390

2.660

3.232

3.460

61

1.296

1.670

2.000

2.389

2.659

3.229

3.457

62

1.295

1.670

1.999

2.388

2.657

3.227

3.454

63

1.295

1.669

1.998

2.387

2.656

3.225

3.452

64

1.295

1.669

1.998

2.386

2.655

3.223

3.449

65

1.295

1.669

1.997

2.385

2.654

3.220

3.447

66

1.295

1.668

1.997

2.384

2.652

3.218

3.444

67

1.294

1.668

1.996

2.383

2.651

3.216

3.442

68

1.294

1.668

1.995

2.382

2.650

3.214

3.439

69

1.294

1.667

1.995

2.382

2.649

3.213

3.437

70

1.294

1.667

1.994

2.381

2.648

3.211

3.435

71

1.294

1.667

1.994

2.380

2.647

3.209

3.433

72

1.293

1.666

1.993

2.379

2.646

3.207

3.431

73

1.293

1.666

1.993

2.379

2.645

3.206

3.429

74

1.293

1.666

1.993

2.378

2.644

3.204

3.427

75

1.293

1.665

1.992

2.377

2.643

3.202

3.425

76

1.293

1.665

1.992

2.376

2.642

3.201

3.423

77

1.293

1.665

1.991

2.376

2.641

3.199

3.421

78

1.292

1.665

1.991

2.375

2.640

3.198

3.420

79

1.292

1.664

1.990

2.374

2.640

3.197

3.418

80

1.292

1.664

1.990

2.374

2.639

3.195

3.416

81

1.292

1.664

1.990

2.373

2.638

3.194

3.415

82

1.292

1.664

1.989

2.373

2.637

3.193

3.413

83

1.292

1.663

1.989

2.372

2.636

3.191

3.412

84

1.292

1.663

1.989

2.372

2.636

3.190

3.410

85

1.292

1.663

1.988

2.371

2.635

3.189

3.409

86

1.291

1.663

1.988

2.370

2.634

3.188

3.407

87

1.291

1.663

1.988

2.370

2.634

3.187

3.406

88

1.291

1.662

1.987

2.369

2.633

3.185

3.405

89

1.291

1.662

1.987

2.369

2.632

3.184

3.403

90

1.291

1.662

1.987

2.368

2.632

3.183

3.402

91

1.291

1.662

1.986

2.368

2.631

3.182

3.401

92

1.291

1.662

1.986

2.368

2.630

3.181

3.399

93

1.291

1.661

1.986

2.367

2.630

3.180

3.398

94

1.291

1.661

1.986

2.367

2.629

3.179

3.397

95

1.291

1.661

1.985

2.366

2.629

3.178

3.396

96

1.290

1.661

1.985

2.366

2.628

3.177

3.395

97

1.290

1.661

1.985

2.365

2.627

3.176

3.394

98

1.290

1.661

1.984

2.365

2.627

3.175

3.393

99

1.290

1.660

1.984

2.365

2.626

3.175

3.392

100

1.290

1.660

1.984

2.364

2.626

3.174

3.390

120

1.289

1.658

1.980

2.358

2.617

3.160

3.373

∞

1.282

1.645

1.960

2.326

2.576

3.090

3.291

混合卡方分布（单边）