Page 121 - XSTK6

Phö löc 5. BƒNG IV: GIÁ TRÀ TÎI H„N CÕA PHÂN PHÈI STUDENT

Bªc tü do α = 0, 05 α = 0, 025 α = 0, 01 α = 0, 005 α = 0, 001
1 6,314 12,706 31,821 63,657 318,309
2 2,920 4,303 6,965 9,925 22,327
3 2,353 3,128 4,541 5,841 10,215
4 2,132 2,776 3,747 4,604 7,173
5 2,015 2,571 3,365 4,032 5,893
6 1,943 2,447 3,143 3,707 5,208
7 1,895 2,365 2,998 3,499 4,705
8 1,860 2,306 2,896 3,355 4,501
9 1,833 2,262 2,821 3,250 4,297
10 1,812 2,228 2,764 3,169 4,144
11 1,796 2,201 2,718 3,106 4,025
12 1,782 2,179 2,681 3,055 3,930
13 1,771 2,160 2,650 3,012 3,852
14 1,761 2,145 2,624 2,977 3,787
15 1,753 2,131 2,606 2,947 3,733
16 1,746 2,120 2,583 2,921 3,686
17 1,740 2,110 2,567 2,898 3,646
18 1,734 2,101 2,552 2,878 3,610
19 1,729 2,093 2,539 2,861 3,579
20 1,725 2,086 2,580 2,845 3,552
21 1,721 2,080 2,518 2,831 3,527
22 1,717 2,074 2,508 2,819 3,505
23 1,714 2,069 2,500 2,807 3,485
24 1,711 2,064 2,492 2,797 3,467
25 1,708 2,060 2,485 2,787 3,450
26 1,796 2,056 2,479 2,779 3,435
27 1,703 2,052 2,473 2,771 3,421
28 1,701 2,048 2,467 2,763 3,408
29 1,699 2,045 2,462 2,756 3,396
inf 1,645 1,960 2,326 2,576 3,090