Biometrieübung 6
t-Test, Welch-Test, Mann-Whitney-Test


Tabelle der Signifikanzschranken der t-Verteilung

Freiheits-
grade

Irrtumswahrscheinlichkeit für den zweiseitigen Test

 

0,20

0,10

0,05

0,02

0,01

0,002

0,001

1

3,078

6,314

12,706

31,821

63,656

318,289

636,578

2

1,886

2,920

4,303

6,965

9,925

22,328

31,600

3

1,638

2,353

3,182

4,541

5,841

10,214

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

5,894

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

1,328

1,729

2,093

2,539

2,861

3,579

3,883

20

1,325

1,725

2,086

2,528

2,845

3,552

3,850

21

1,323

1,721

2,080

2,518

2,831

3,527

3,819

22

1,321

1,717

2,074

2,508

2,819

3,505

3,792

23

1,319

1,714

2,069

2,500

2,807

3,485

3,768

24

1,318

1,711

2,064

2,492

2,797

3,467

3,745

25

1,316

1,708

2,060

2,485

2,787

3,450

3,725

26

1,315

1,706

2,056

2,479

2,779

3,435

3,707

27

1,314

1,703

2,052

2,473

2,771

3,421

3,689

28

1,313

1,701

2,048

2,467

2,763

3,408

3,674

29

1,311

1,699

2,045

2,462

2,756

3,396

3,660

30

1,310

1,697

2,042

2,457

2,750

3,385

3,646

32

1,309

1,694

2,037

2,449

2,738

3,365

3,622

34

1,307

1,691

2,032

2,441

2,728

3,348

3,601

36

1,306

1,688

2,028

2,434

2,719

3,333

3,582

38

1,304

1,686

2,024

2,429

2,712

3,319

3,566

40

1,303

1,684

2,021

2,423

2,704

3,307

3,551

42

1,302

1,682

2,018

2,418

2,698

3,296

3,538

44

1,301

1,680

2,015

2,414

2,692

3,286

3,526

46

1,300

1,679

2,013

2,410

2,687

3,277

3,515

48

1,299

1,677

2,011

2,407

2,682

3,269

3,505

50

1,299

1,676

2,009

2,403

2,678

3,261

3,496

55

1,297

1,673

2,004

2,396

2,668

3,245

3,476

60

1,296

1,671

2,000

2,390

2,660

3,232

3,460

65

1,295

1,669

1,997

2,385

2,654

3,220

3,447

70

1,294

1,667

1,994

2,381

2,648

3,211

3,435

80

1,292

1,664

1,990

2,374

2,639

3,195

3,416

90

1,291

1,662

1,987

2,368

2,632

3,183

3,402

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

200

1,286

1,653

1,972

2,345

2,601

3,131

3,340

500

1,283

1,648

1,965

2,334

2,586

3,107

3,310

1000

1,282

1,646

1,962

2,330

2,581

3,098

3,300

 

0,10

0,05

0,025

0,01

0,005

0,001

0,0005

Freiheits-
grade

Irrtumswahrscheinlichkeit für den einseitigen Test

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Letzte Änderung: 15.07.1999
Kontakt:
Wolfgang Stümer