Критические значения двустороннего t – критерия Стьюдента

Уровни значимости

v

0,1

0,05

0,01

0,001

v

0,1

0,05

0,01

0,001

1

6,314

12,706

63,657

636,619

21

1,721

2,080

2,831

3,819

2

2,92

4,308

9,925

31,599

22

1,717

2,074

2,819

3,792

3

2,353

3,182

5,841

12,924

23

1,714

2,069

2,807

3,768

4

2,132

2,776

4,604

8,610

24

1,711

2,064

2,797

3,745

5

2,015

2,571

4,032

6,869

25

1,708

2,060

2,787

3,725

6

1,943

2,447

3,707

5,959

26

1,706

2,056

2,779

3,707

7

1,859

2,365

3,499

5,408

27

1,703

2,052

2,771

3,690

8

1,860

2,306

3,355

5,041

28

1,701

2,048

2,763

3,674

9

1,833

2,262

3,250

4,781

29

1,699

2,045

2,756

3,659

10

1,812

2,228

3,169

4,587

30

1,697

2,042

2,750

3,646

11

1,796

2,201

3,106

4,437

40

1,684

2,021

2,704

3,551

12

1,782

2,179

3,055

4,318

50

1,676

2,009

2,678

3,505

13

1,771

2,160

3,012

4,221

60

1,664

2,000

2,660

3,505

14

1,761

2,145

2,977

4,140

80

1,664

1,990

2,639

3,416

15

1,753

2,131

2,947

4,073

100

1,660

1,984

2,626

3,391

16

1,746

2,120

2,921

4,015

120

1,658

1,980

2,617

3,373

17

1,170

2,110

2,898

3,965

200

1,653

1,972

2,601

3,340

18

1,734

2,101

2,878

3,922

500

1,648

1,965

2,586

3,310

19

1,729

2,093

2,861

3,883

∞

1,645

1,960

2,580

3,291

20

1,725

2,086

2,845

3,850

0,9

0,95

0,99

0,999

0,9

0,95

0,99

0,999

Доверительные уровни