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Таблица критических значений критерия Стьюдента
| df | α=0,05 | α=0,01 | α=0,001 |
| 1 | 12,7 | 63,65 | 636,61 |
| 2 | 4,303 | 9,925 | 31,602 |
| 3 | 3,182 | 5,841 | 12,923 |
| 4 | 2,776 | 4,604 | 8,61 |
| 5 | 2,571 | 4,032 | 6,869 |
| 6 | 2,447 | 3,707 | 5,959 |
| 7 | 2,365 | 3,499 | 5,408 |
| 8 | 2,306 | 3,355 | 5,041 |
| 9 | 2,262 | 3,25 | 4,781 |
| 10 | 2,228 | 3,169 | 4,587 |
| 11 | 2,201 | 3,106 | 4,437 |
| 12 | 2,179 | 3,055 | 4,318 |
| 13 | 2,16 | 3,012 | 4,221 |
| 14 | 2,145 | 2,977 | 4,14 |
| 15 | 2,131 | 2,947 | 4,073 |
| 16 | 2,12 | 2,921 | 4,015 |
| 17 | 2,11 | 2,898 | 3,965 |
| 18 | 2,101 | 2,878 | 3,922 |
| 19 | 2,093 | 2,861 | 3,883 |
| 20 | 2,086 | 2,845 | 3,85 |
| 21 | 2,08 | 2,831 | 3,819 |
| 22 | 2,074 | 2,819 | 3,792 |
| 23 | 2,069 | 2,807 | 3,768 |
| 24 | 2,064 | 2,797 | 3,745 |
| 25 | 2,06 | 2,787 | 3,725 |
| 26 | 2,056 | 2,779 | 3,707 |
| 27 | 2,052 | 2,771 | 3,69 |
| 28 | 2,049 | 2,763 | 3,674 |
| 29 | 2,045 | 2,756 | 3,659 |
| 30 | 2,042 | 2,75 | 3,646 |
| 31 | 2,04 | 2,744 | 3,633 |
| 32 | 2,037 | 2,738 | 3,622 |
| 33 | 2,035 | 2,733 | 3,611 |
| 34 | 2,032 | 2,728 | 3,601 |
| 35 | 2,03 | 2,724 | 3,591 |
| 36 | 2,028 | 2,719 | 3,582 |
| 37 | 2,026 | 2,715 | 3,574 |
| 38 | 2,024 | 2,712 | 3,566 |
| 39 | 2,023 | 2,708 | 3,558 |
| 40 | 2,021 | 2,704 | 3,551 |
| 41 | 2,02 | 2,701 | 3,544 |
| 42 | 2,018 | 2,698 | 3,538 |
| 43 | 2,017 | 2,695 | 3,532 |
| 44 | 2,015 | 2,692 | 3,526 |
| 45 | 2,014 | 2,69 | 3,52 |
| 46 | 2,013 | 2,687 | 3,515 |
| 47 | 2,012 | 2,685 | 3,51 |
| 48 | 2,011 | 2,682 | 3,505 |
| 49 | 2,01 | 2,68 | 3,5 |
| 50 | 2,009 | 2,678 | 3,496 |
| 51 | 2,008 | 2,676 | 3,492 |
| 52 | 2,007 | 2,674 | 3,488 |
| 53 | 2,006 | 2,672 | 3,484 |
| 54 | 2,005 | 2,67 | 3,48 |
| 55 | 2,004 | 2,688 | 3,476 |
| 56 | 2,003 | 2,667 | 3,473 |
| 57 | 2,002 | 2,665 | 3,47 |
| 58 | 2,002 | 2,663 | 3,466 |
| 59 | 2,001 | 2,662 | 3,463 |
| 60 | 2 | 2,66 | 3,46 |
| 61 | 2 | 2,659 | 3,457 |
| 62 | 1,999 | 2,657 | 3,454 |
| 63 | 1,998 | 2,656 | 3,452 |
| 64 | 1,998 | 2,655 | 3,449 |
| 65 | 1,997 | 2,654 | 3,447 |
| 66 | 1,997 | 2,652 | 3,444 |
| 67 | 1,996 | 2,651 | 3,442 |
| 68 | 1,995 | 2,65 | 3,439 |
| 69 | 1,995 | 2,649 | 3,437 |
| 70 | 1,994 | 2,648 | 3,435 |
| 71 | 1,994 | 2,647 | 3,433 |
| 72 | 1,993 | 2,646 | 3,431 |
| 73 | 1,993 | 2,645 | 3,429 |
| 74 | 1,993 | 2,644 | 3,427 |
| 75 | 1,992 | 2,643 | 3,425 |
| 76 | 1,992 | 2,642 | 3,423 |
| 77 | 1,991 | 2,641 | 3,422 |
| 78 | 1,991 | 2,64 | 3,42 |
| 79 | 1,99 | 2,639 | 3,418 |
| 80 | 1,99 | 2,639 | 3,416 |
| 90 | 1,987 | 2,632 | 3,402 |
| 100 | 1,984 | 2,626 | 3,39 |
| 110 | 1,982 | 2,621 | 3,381 |
| 120 | 1,98 | 2,617 | 3,373 |
| 130 | 1,978 | 2,614 | 3,367 |
| 140 | 1,977 | 2,611 | 3,361 |
| 150 | 1,976 | 2,609 | 3,357 |
| 200 | 1,972 | 2,601 | 3,34 |
| 250 | 1,969 | 2,596 | 3,33 |
| 300 | 1,968 | 2,592 | 3,323 |
| 350 | 1,967 | 2,59 | 3,319 |