F table : Probability of a larger F value (one tailed test) Page 2

df

Prob>F

1

2

3

4

5

6

7

8

9

10

15

20

30

60

120

240

¥

13

0.05

4.667

3.806

3.411

3.179

3.025

2.915

2.832

2.767

2.714

2.671

2.533

2.459

2.380

2.297

2.252

2.230

2.206

 

0.025

6.414

4.965

4.347

3.996

3.767

3.604

3.483

3.388

3.312

3.250

3.053

2.948

2.837

2.720

2.659

2.628

2.595

 

0.010

9.074

6.701

5.739

5.205

4.862

4.620

4.441

4.302

4.191

4.100

3.815

3.665

3.507

3.341

3.255

3.210

3.165

 

0.005

11.374

8.186

6.926

6.233

5.791

5.482

5.253

5.076

4.935

4.820

4.460

4.270

4.073

3.866

3.758

3.703

3.647

14

0.05

4.600

3.739

3.344

3.112

2.958

2.848

2.764

2.699

2.646

2.602

2.463

2.388

2.308

2.223

2.178

2.155

2.131

 

0.025

6.298

4.857

4.242

3.892

3.663

3.501

3.380

3.285

3.209

3.147

2.949

2.844

2.732

2.614

2.552

2.520

2.487

 

0.010

8.862

6.515

5.564

5.035

4.695

4.456

4.278

4.140

4.030

3.939

3.656

3.505

3.348

3.181

3.094

3.050

3.004

 

0.005

11.060

7.922

6.680

5.998

5.562

5.257

5.031

4.857

4.717

4.603

4.247

4.059

3.862

3.655

3.547

3.492

3.436

15

0.05

4.543

3.682

3.287

3.056

2.901

2.790

2.707

2.641

2.588

2.544

2.403

2.328

2.247

2.160

2.114

2.090

2.066

 

0.025

6.200

4.765

4.153

3.804

3.576

3.415

3.293

3.199

3.123

3.060

2.862

2.756

2.644

2.524

2.461

2.429

2.395

 

0.010

8.683

6.359

5.417

4.893

4.556

4.318

4.142

4.004

3.895

3.805

3.522

3.372

3.214

3.047

2.959

2.914

2.868

 

0.005

10.798

7.701

6.476

5.803

5.372

5.071

4.847

4.674

4.536

4.424

4.070

3.883

3.687

3.480

3.372

3.317

3.260

16

0.05

4.494

3.634

3.239

3.007

2.852

2.741

2.657

2.591

2.538

2.494

2.352

2.276

2.194

2.106

2.059

2.035

2.010

 

0.025

6.115

4.687

4.077

3.729

3.502

3.341

3.219

3.125

3.049

2.986

2.788

2.681

2.568

2.447

2.383

2.350

2.316

 

0.010

8.531

6.226

5.292

4.773

4.437

4.202

4.026

3.890

3.780

3.691

3.409

3.259

3.101

2.933

2.845

2.799

2.753

 

0.005

10.576

7.514

6.303

5.638

5.212

4.913

4.692

4.521

4.384

4.272

3.920

3.734

3.539

3.332

3.224

3.168

3.111

17

0.05

4.451

3.592

3.197

2.965

2.810

2.699

2.614

2.548

2.494

2.450

2.308

2.230

2.148

2.058

2.011

1.986

1.960

 

0.025

6.042

4.619

4.011

3.665

3.438

3.277

3.156

3.061

2.985

2.922

2.723

2.616

2.502

2.380

2.315

2.282

2.247

 

0.010

8.400

6.112

5.185

4.669

4.336

4.101

3.927

3.791

3.682

3.593

3.312

3.162

3.003

2.835

2.746

2.700

2.653

 

0.005

10.384

7.354

6.156

5.497

5.075

4.779

4.559

4.389

4.254

4.142

3.793

3.607

3.412

3.206

3.097

3.041

2.984

18

0.05

4.414

3.555

3.160

2.928

2.773

2.661

2.577

2.510

2.456

2.412

2.269

2.191

2.107

2.017

1.968

1.943

1.917

 

0.025

5.978

4.560

3.954

3.608

3.382

3.221

3.100

3.005

2.929

2.866

2.667

2.559

2.445

2.321

2.256

2.222

2.187

 

0.010

8.285

6.013

5.092

4.579

4.248

4.015

3.841

3.705

3.597

3.508

3.227

3.077

2.919

2.749

2.660

2.613

2.566

 

0.005

10.218

7.215

6.028

5.375

4.956

4.663

4.445

4.276

4.141

4.030

3.683

3.498

3.303

3.096

2.987

2.931

2.873

20

0.05

4.351

3.493

3.098

2.866

2.711

2.599

2.514

2.447

2.393

2.348

2.203

2.124

2.039

1.946

1.896

1.870

1.843

 

0.025

5.871

4.461

3.859

3.515

3.289

3.128

3.007

2.913

2.837

2.774

2.573

2.464

2.349

2.223

2.156

2.121

2.085

 

0.010

8.096

5.849

4.938

4.431

4.103

3.871

3.699

3.564

3.457

3.368

3.088

2.938

2.778

2.608

2.517

2.470

2.421

 

0.005

9.944

6.987

5.818

5.174

4.762

4.472

4.257

4.090

3.956

3.847

3.502

3.318

3.123

2.916

2.806

2.749

2.690

25

0.05

4.242

3.385

2.991

2.759

2.603

2.490

2.405

2.337

2.282

2.236

2.089

2.007

1.919

1.822

1.768

1.740

1.711

 

0.025

5.686

4.291

3.694

3.353

3.129

2.969

2.848

2.753

2.677

2.613

2.411

2.300

2.182

2.052

1.981

1.944

1.906

 

0.010

7.770

5.568

4.675

4.177

3.855

3.627

3.457

3.324

3.217

3.129

2.850

2.699

2.538

2.364

2.270

2.220

2.169

 

0.005

9.475

6.598

5.462

4.835

4.433

4.150

3.939

3.776

3.645

3.537

3.196

3.013

2.819

2.609

2.496

2.437

2.377

30

0.05

4.171

3.316

2.922

2.690

2.534

2.421

2.334

2.266

2.211

2.165

2.015

1.932

1.841

1.740

1.683

1.654

1.622

 

0.025

5.568

4.182

3.589

3.250

3.026

2.867

2.746

2.651

2.575

2.511

2.307

2.195

2.074

1.940

1.866

1.827

1.787

 

0.010

7.562

5.390

4.510

4.018

3.699

3.473

3.305

3.173

3.067

2.979

2.700

2.549

2.386

2.208

2.111

2.060

2.006

 

0.005

9.180

6.355

5.239

4.623

4.228

3.949

3.742

3.580

3.451

3.344

3.006

2.823

2.628

2.415

2.300

2.239

2.176

50

0.05

4.034

3.183

2.790

2.557

2.400

2.286

2.199

2.130

2.073

2.026

1.871

1.784

1.687

1.576

1.511

1.476

1.438

 

0.025

5.340

3.975

3.390

3.054

2.833

2.674

2.553

2.458

2.381

2.317

2.109

1.993

1.866

1.721

1.639

1.594

1.545

 

0.010

7.171

5.057

4.199

3.720

3.408

3.186

3.020

2.890

2.785

2.698

2.419

2.265

2.098

1.909

1.803

1.745

1.683

 

0.005

8.626

5.902

4.826

4.232

3.849

3.579

3.376

3.219

3.092

2.988

2.653

2.470

2.272

2.050

1.925

1.858

1.786

100

0.05

3.936

3.087

2.696

2.463

2.305

2.191

2.103

2.032

1.975

1.927

1.768

1.676

1.573

1.450

1.376

1.333

1.283

 

0.025

5.179

3.828

3.250

2.917

2.696

2.537

2.417

2.321

2.244

2.179

1.968

1.849

1.715

1.558

1.463

1.409

1.347

 

0.010

6.895

4.824

3.984

3.513

3.206

2.988

2.823

2.694

2.590

2.503

2.223

2.067

1.893

1.692

1.572

1.504

1.427

 

0.005

8.241

5.589

4.542

3.963

3.589

3.325

3.127

2.972

2.847

2.744

2.411

2.227

2.024

1.790

1.652

1.573

1.485

¥

0.05

3.841

2.996

2.605

2.372

2.214

2.099

2.010

1.938

1.880

1.831

1.666

1.571

1.459

1.318

1.221

1.155

1

 

0.025

5.024

3.689

3.116

2.786

2.567

2.408

2.288

2.192

2.114

2.048

1.833

1.708

1.566

1.388

1.268

1.187

1

 

0.010

6.635

4.605

3.782

3.319

3.017

2.802

2.639

2.511

2.407

2.321

2.039

1.878

1.696

1.473

1.325

1.225

1

 

0.005

7.879

5.298

4.279

3.715

3.350

3.091

2.897

2.744

2.621

2.519

2.187

2.000

1.789

1.533

1.364

1.251

1