Tabelas Estatisticas - Valores críticos de t e qui-quadrado

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Valores críticos de t e χ2 
 
 
 
Valores críticos de t Valores críticos de χ2 
 nível de 
significância (α) 
 nível de 
significância (α) 
gl 0,05 0,01 gl 0,05 0,01 
1 12,706 63,657 1 3,84 6,63 
2 4,303 9,925 2 5,99 9,21 
3 3,182 5,841 3 7,81 11,34 
4 2,776 4,604 4 9,49 13,28 
5 2,571 4,032 5 11,07 15,09 
 
6 2,447 3,707 6 12,59 16,81 
7 2,365 3,499 7 14,07 18,48 
8 2,306 3,355 8 15,51 20,09 
9 2,262 3,250 9 16,92 21,67 
10 2,228 3,169 10 18,31 23,21 
 
11 2,201 3,106 11 19,67 24,72 
12 2,179 3,055 12 21,02 26,21 
13 2,160 3,012 13 22,36 27,68 
14 2,145 2,977 14 23,68 29,14 
15 2,131 2,947 15 24,99 30,57 
 
16 2,120 2,921 16 26,29 31,99 
17 2,110 2,898 17 27,58 33,40 
18 2,101 2,878 18 28,86 34,80 
19 2,093 2,861 19 30,14 36,19 
20 2,086 2,845 20 31,41 37,56 
 
21 2,080 2,831 21 32,67 38,93 
22 2,074 2,819 22 33,92 40,28 
23 2,069 2,807 23 35,17 41,63 
24 2,064 2,797 24 36,41 42,97 
25 2,060 2,787 25 37,65 44,31 
 
26 2,056 2,779 26 38,88 45,64 
27 2,052 2,771 27 40,11 46,96 
28 2,048 2,763 28 41,33 48,27 
29 2,045 2,756 29 42,55 49,58 
30 2,042 2,750 30 43,77 50,89 
 
40 2,021 2,704 
60 2,000 2,660 
120 1,980 2,617 
∝ 1,960 2,576