F table : Probability of a larger F value (one tailed test) Page 1

df

Prob>F

1

2

3

4

5

6

7

8

9

10

15

20

30

60

120

240

¥

1

0.05

161

199

216

225

230

234

237

239

241

242

246

248

250

252

253

254

254

 

0.025

648

799

864

900

922

937

948

957

963

969

985

993

1001

1010

1014

1016

1018

 

0.010

4052

4999

5404

5624

5764

5859

5928

5981

6022

6056

6157

6209

6260

6313

6340

6353

6366

 

0.005

16212

19997

21614

22501

23056

23440

23715

23924

24091

24222

24632

24837

25041

25254

25358

25414

25466

2

0.05

18.5

19.0

19.2

19.2

19.3

19.3

19.4

19.4

19.4

19.4

19.4

19.4

19.5

19.5

19.5

19.5

19.5

 

0.025

38.5

39.0

39.2

39.2

39.3

39.3

39.4

39.4

39.4

39.4

39.4

39.4

39.5

39.5

39.5

39.5

39.5

 

0.010

98.5

99.0

99.2

99.3

99.3

99.3

99.4

99.4

99.4

99.4

99.4

99.4

99.5

99.5

99.5

99.5

99.5

 

0.005

198.5

199.0

199.2

199.2

199.3

199.3

199.4

199.4

199.4

199.4

199.4

199.4

199.5

199.5

199.5

199.5

199.5

3

0.05

10.13

9.55

9.28

9.12

9.01

8.94

8.89

8.85

8.81

8.79

8.70

8.66

8.62

8.57

8.55

8.54

8.53

 

0.025

17.44

16.04

15.44

15.10

14.88

14.73

14.62

14.54

14.47

14.42

14.25

14.17

14.08

13.99

13.95

13.92

13.90

 

0.010

34.12

30.82

29.46

28.71

28.24

27.91

27.67

27.49

27.34

27.23

26.87

26.69

26.50

26.32

26.22

26.17

26.13

 

0.005

55.55

49.80

47.47

46.20

45.39

44.84

44.43

44.13

43.88

43.68

43.08

42.78

42.47

42.15

41.99

41.91

41.83

4

0.05

7.71

6.94

6.59

6.39

6.26

6.16

6.09

6.04

6.00

5.96

5.86

5.80

5.75

5.69

5.66

5.64

5.63

 

0.025

12.22

10.65

9.98

9.60

9.36

9.20

9.07

8.98

8.90

8.84

8.66

8.56

8.46

8.36

8.31

8.28

8.26

 

0.010

21.20

18.00

16.69

15.98

15.52

15.21

14.98

14.80

14.66

14.55

14.20

14.02

13.84

13.65

13.56

13.51

13.46

 

0.005

31.33

26.28

24.26

23.15

22.46

21.98

21.62

21.35

21.14

20.97

20.44

20.17

19.89

19.61

19.47

19.40

19.32

5

0.05

6.608

5.786

5.409

5.192

5.050

4.950

4.876

4.818

4.772

4.735

4.619

4.558

4.496

4.431

4.398

4.382

4.365

 

0.025

10.007

8.434

7.764

7.388

7.146

6.978

6.853

6.757

6.681

6.619

6.428

6.329

6.227

6.123

6.069

6.042

6.015

 

0.010

16.258

13.274

12.060

11.392

10.967

10.672

10.456

10.289

10.158

10.051

9.722

9.553

9.379

9.202

9.112

9.066

9.020

 

0.005

22.785

18.314

16.530

15.556

14.939

14.513

14.200

13.961

13.772

13.618

13.146

12.903

12.656

12.402

12.274

12.209

12.144

6

0.05

5.987

5.143

4.757

4.534

4.387

4.284

4.207

4.147

4.099

4.060

3.938

3.874

3.808

3.740

3.705

3.687

3.669

 

0.025

8.813

7.260

6.599

6.227

5.988

5.820

5.695

5.600

5.523

5.461

5.269

5.168

5.065

4.959

4.904

4.877

4.849

 

0.010

13.745

10.925

9.780

9.148

8.746

8.466

8.260

8.102

7.976

7.874

7.559

7.396

7.229

7.057

6.969

6.925

6.880

 

0.005

18.635

14.544

12.917

12.028

11.464

11.073

10.786

10.566

10.391

10.250

9.814

9.589

9.358

9.122

9.001

8.941

8.879

7

0.05

5.591

4.737

4.347

4.120

3.972

3.866

3.787

3.726

3.677

3.637

3.511

3.445

3.376

3.304

3.267

3.249

3.230

 

0.025

8.073

6.542

5.890

5.523

5.285

5.119

4.995

4.899

4.823

4.761

4.568

4.467

4.362

4.254

4.199

4.171

4.142

 

0.010

12.246

9.547

8.451

7.847

7.460

7.191

6.993

6.840

6.719

6.620

6.314

6.155

5.992

5.824

5.737

5.694

5.650

 

0.005

16.235

12.404

10.883

10.050

9.522

9.155

8.885

8.678

8.514

8.380

7.968

7.754

7.534

7.309

7.193

7.135

7.076

8

0.05

5.318

4.459

4.066

3.838

3.688

3.581

3.500

3.438

3.388

3.347

3.218

3.150

3.079

3.005

2.967

2.947

2.928

 

0.025

7.571

6.059

5.416

5.053

4.817

4.652

4.529

4.433

4.357

4.295

4.101

3.999

3.894

3.784

3.728

3.699

3.670

 

0.010

11.259

8.649

7.591

7.006

6.632

6.371

6.178

6.029

5.911

5.814

5.515

5.359

5.198

5.032

4.946

4.903

4.859

 

0.005

14.688

11.043

9.597

8.805

8.302

7.952

7.694

7.496

7.339

7.211

6.814

6.608

6.396

6.177

6.065

6.008

5.951

9

0.05

5.117

4.256

3.863

3.633

3.482

3.374

3.293

3.230

3.179

3.137

3.006

2.936

2.864

2.787

2.748

2.727

2.707

 

0.025

7.209

5.715

5.078

4.718

4.484

4.320

4.197

4.102

4.026

3.964

3.769

3.667

3.560

3.449

3.392

3.363

3.333

 

0.010

10.562

8.022

6.992

6.422

6.057

5.802

5.613

5.467

5.351

5.257

4.962

4.808

4.649

4.483

4.398

4.354

4.311

 

0.005

13.614

10.107

8.717

7.956

7.471

7.134

6.885

6.693

6.541

6.417

6.032

5.832

5.625

5.410

5.300

5.244

5.188

10

0.05

4.965

4.103

3.708

3.478

3.326

3.217

3.135

3.072

3.020

2.978

2.845

2.774

2.700

2.621

2.580

2.559

2.538

 

0.025

6.937

5.456

4.826

4.468

4.236

4.072

3.950

3.855

3.779

3.717

3.522

3.419

3.311

3.198

3.140

3.110

3.080

 

0.010

10.044

7.559

6.552

5.994

5.636

5.386

5.200

5.057

4.942

4.849

4.558

4.405

4.247

4.082

3.996

3.953

3.909

 

0.005

12.827

9.427

8.081

7.343

6.872

6.545

6.303

6.116

5.968

5.847

5.471

5.274

5.071

4.859

4.750

4.695

4.639

11

0.05

4.844

3.982

3.587

3.357

3.204

3.095

3.012

2.948

2.896

2.854

2.719

2.646

2.570

2.490

2.448

2.426

2.404

 

0.025

6.724

5.256

4.630

4.275

4.044

3.881

3.759

3.664

3.588

3.526

3.330

3.226

3.118

3.004

2.944

2.914

2.883

 

0.010

9.646

7.206

6.217

5.668

5.316

5.069

4.886

4.744

4.632

4.539

4.251

4.099

3.941

3.776

3.690

3.647

3.602

 

0.005

12.226

8.912

7.600

6.881

6.422

6.102

5.865

5.682

5.537

5.418

5.049

4.855

4.654

4.445

4.337

4.281

4.226

12

0.05

4.747

3.885

3.490

3.259

3.106

2.996

2.913

2.849

2.796

2.753

2.617

2.544

2.466

2.384

2.341

2.319

2.296

 

0.025

6.554

5.096

4.474

4.121

3.891

3.728

3.607

3.512

3.436

3.374

3.177

3.073

2.963

2.848

2.787

2.756

2.725

 

0.010

9.330

6.927

5.953

5.412

5.064

4.821

4.640

4.499

4.388

4.296

4.010

3.858

3.701

3.535

3.449

3.405

3.361

 

0.005

11.754

8.510

7.226

6.521

6.071

5.757

5.524

5.345

5.202

5.085

4.721

4.530

4.331

4.123

4.015

3.960

3.904