Приложение 2
Критические значения t-критерия Стьюдента при уровне значимости 0,10, 0,05, 0,01 (двухсторонний)
Число степеней свободы
|
α
|
Число степеней свободы
|
α
|
d.f.
|
0,10
|
0,05
|
0,01
|
d.f.
|
0,10
|
0,05
|
0,01
|
1
|
6,3138
|
12,706
|
63,657
|
18
|
1,7341
|
2,1009
|
2,8784
|
2
|
2,9200
|
4,3027
|
9,9248
|
19
|
1,7291
|
2,0930
|
2,8609
|
3
|
2,3534
|
3,1825
|
5,8409
|
20
|
1,7247
|
2,0860
|
2,8453
|
4
|
2,1318
|
2,7764
|
4,6041
|
21
|
1,7207
|
2,0796
|
2,8314
|
5
|
2,0150
|
2,5706
|
4,0321
|
22
|
1,7171
|
2,0739
|
2,8188
|
6
|
1,9432
|
2,4469
|
3,7074
|
23
|
1,7139
|
2,0687
|
2,8073
|
7
|
1,8946
|
2,3646
|
3,4995
|
24
|
1,7109
|
2,0639
|
2,7969
|
8
|
1,8595
|
2,3060
|
3,3554
|
25
|
1,7081
|
2,0595
|
2,7874
|
9
|
1,8331
|
2,2622
|
3,2498
|
26
|
1,7056
|
2,0555
|
2,7787
|
10
|
1,8125
|
2,2281
|
3,1693
|
27
|
1,7033
|
2,0518
|
2,7707
|
11
|
1,7959
|
2,2010
|
3,1058
|
28
|
1,7011
|
2,0484
|
2,7633
|
12
|
1,7823
|
2,1788
|
3,0545
|
29
|
1,6991
|
2,0452
|
2,7564
|
13
|
1,7709
|
2,1604
|
3,0123
|
30
|
1,6973
|
2,0423
|
2,7500
|
14
|
1,7613
|
2,1448
|
2,9768
|
40
|
1,6839
|
2,0211
|
2,7045
|
15
|
1,7530
|
2,1315
|
2,9467
|
60
|
1,6707
|
2,0003
|
2,6603
|
16
|
1,7459
|
2,1199
|
2,9208
|
120
|
1,6577
|
1,9799
|
2,6174
|
17
|
1,7396
|
2,1098
|
2,8982
|
∞
|
1,6449
|
1,9600
|
2,5758
| |
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