t-분포표『α일 때』

Home ▶ 확률분포표 ▶ T - 분포표(T Distribution Table)

Tdistribution Curve

P(T≤t) =

t

-∞

Γ

(r+1)

2

dw

πr

Γ

r

2

1 +

w²

	(r+1)
	2

r

P(T≤t) = α

P(T≤t) = α

P(T≤t)

d.f

0.750
0.250

0.900
0.100

0.950
0.050

0.975
0.025

0.990
0.010

0.995
0.005

.9975
.0025

0.999
0.001

.9995
.0005

.9997
.0002

.9999
.0001

.9999
.0000

1

1.000

3.078

6.314

12.71

31.82

63.66

127.3

318.3

636.9

1273.

3183.

6366.

2

0.816

1.886

2.920

4.303

6.965

9.925

14.09

22.33

31.60

44.71

70.70

99.99

3

0.765

1.638

2.353

3.182

4.541

5.841

7.453

10.21

12.92

16.33

22.20

28.00

4

0.741

1.533

2.132

2.776

3.747

4.604

5.598

7.173

8.610

10.31

13.03

15.54

5

0.727

1.476

2.015

2.571

3.365

4.032

4.773

5.893

6.869

7.976

9.678

11.18

6

0.718

1.440

1.943

2.447

3.134

3.707

4.317

5.208

5.959

6.788

8.025

9.082

7

0.711

1.415

1.895

2.365

2.998

3.499

4.029

4.785

5.408

6.082

7.063

7.885

8

0.706

1.397

1.860

2.306

2.896

3.355

3.833

4.501

5.041

5.618

6.442

7.120

9

0.703

1.383

1.833

2.262

2.821

3.250

3.690

4.297

4.781

5.291

6.010

6.594

10

0.700

1.372

1.812

2.223

2.764

3.169

3.581

4.144

4.587

5.049

5.694

6.211

11

0.697

1.363

1.796

2.201

2.718

3.106

3.497

4.025

4.437

4.863

5.453

5.921

12

0.695

1.356

1.782

2.179

2.681

3.055

3.428

3.930

4.318

4.716

5.263

5.694

13

0.694

1.350

1.771

2.160

2.650

3.012

3.372

3.852

4.221

4.597

5.111

5.513

14

0.692

1.345

1.761

2.145

2.624

2.977

3.326

3.787

4.140

4.499

4.985

5.363

15

0.691

1.341

1.753

2.131

2.602

2.947

3.286

3.733

4.073

4.417

4.880

5.239

16

0.690

1.337

1.746

2.120

2.583

2.921

3.252

3.686

4.015

4.346

4.791

5.134

17

0.689

1.333

1.740

2.110

2.567

2.898

3.223

3.646

3.965

4.286

4.714

5.044

18

0.688

1.330

1.734

2.101

2.552

2.878

3.197

3.610

3.922

4.233

4.648

4.966

19

0.688

1.328

1.729

2.093

2.539

2.861

3.174

3.579

3.883

4.187

4.590

4.897

20

0.687

1.325

1.725

2.086

2.528

2.845

3.153

3.552

3.850

4.146

4.539

4.837

21

0.686

1.323

1.721

2.080

2.518

2.831

3.135

3.527

3.819

4.110

4.493

4.784

22

0.686

1.321

1.717

2.074

2.508

2.819

3.119

3.505

3.792

4.077

4.452

4.736

23

0.685

1.319

1.714

2.069

2.500

2.807

3.104

3.485

3.768

4.048

4.415

4.693

24

0.685

1.318

1.711

2.064

2.492

2.797

3.090

3.467

3.745

4.021

4.382

4.654

25

0.684

1.316

1.708

2.060

2.485

2.787

3.078

3.450

3.725

3.997

4.352

4.619

26

0.684

1.315

1.706

2.056

2.479

2.779

3.067

3.435

3.707

3.974

4.324

4.587

27

0.684

1.314

1.703

2.052

2.473

2.771

3.057

3.421

3.690

3.954

4.299

4.558

28

0.683

1.313

1.701

2.048

2.467

2.763

3.047

3.408

3.674

3.935

4.275

4.530

29

0.683

1.311

1.699

2.045

2.462

2.756

3.038

3.396

3.659

3.918

4.254

4.506

30

0.681

1.310

1.697

2.042

2.457

2.750

3.030

3.385

3.646

3.902

4.234

4.482

35

.0000

.0000

.0000

.0000

.0000

.0000

2.996

3.340

3.591

3.836

4.153

4.389

40

0.681

1.303

1.684

2.021

2.423

2.704

2.971

3.307

3.551

3.788

4.094

4.321

45

.0000

.0000

.0000

.0000

.0000

.0000

2.952

3.281

3.520

3.752

4.049

4.269

50

.0000

.0000

.0000

.0000

.0000

.0000

2.937

3.261

3.496

3.723

4.014

4.228

55

.0000

.0000

.0000

.0000

.0000

.0000

2.925

3.245

3.476

3.700

3.986

4.196

60

0.679

1.296

1.671

2.000

2.390

2.660

2.915

3.232

3.460

3.681

3.962

4.169

70

.0000

.0000

.0000

.0000

.0000

.0000

2.899

3.211

3.435

3.651

3.926

4.127

80

.0000

.0000

.0000

.0000

.0000

.0000

2.887

3.195

3.416

3.626

3.899

4.096

90

.0000

.0000

.0000

.0000

.0000

.0000

2.878

3.183

3.402

3.612

3.878

4.072

100

.0000

.0000

.0000

.0000

.0000

.0000

2.871

3.174

3.390

3.598

3.862

4.053

120

0.677

1.289

1.658

1.980

2.358

2.617

2.860

3.160

3.373

.0000

.0000

.0000

∞

0.674

1.282

1.645

1.960

2.326

2.576

2.807

3.090

3.291

3.481

3.719

3.891

d.f

P(T≤t)

0.750
0.250

0.900
0.100

0.950
0.050

0.975
0.025

0.990
0.010

0.995
0.005

.9975
.0025

0.999
0.001

.9995
.0005

.9997
.0002

.9999
.0001

.9999
.0000

P(T≤t) = α

P(T≤t) = α

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