Tabela de Distribuição "t" de Student

	Intervalo de Confiança
Duas Caudas	80%	90%	95%	98%	99,00%	99,90%
Uma Cauda	90%	95%	98%	99%	99,50%	99,95%
	Nível de Sigificância
Duas Caudas	0,20	0,10	0,02	0,02	0,01	0,001
Uma Cauda	0,10	0,05	0,025	0,01	0,005	0,0005
g.l. = 1	3,078	6,314	12,706	31,821	63,656	636,578
2	1,886	2,920	4,303	6,965	9,925	31,600
3	1,638	2,353	3,182	4,541	5,841	12,924
4	1,533	2,132	2,776	3,747	4,604	8,610
5	1,476	2,015	2,571	3,365	4,032	6,869
6	1,440	1,943	2,447	3,143	3,707	5,959
7	1,415	1,895	2,365	2,998	3,499	5,408
8	1,397	1,860	2,306	2,896	3,355	5,041
9	1,383	1,833	2,262	2,821	3,250	4,781
10	1,372	1,812	2,228	2,764	3,169	4,587
11	1,363	1,796	2,201	2,718	3,106	4,437
12	1,356	1,782	2,179	2,681	3,055	4,318
13	1,350	1,771	2,160	2,650	3,012	4,221
14	1,345	1,761	2,145	2,624	2,977	4,140
15	1,341	1,753	2,131	2,602	2,947	4,073
16	1,337	1,746	2,120	2,583	2,921	4,015
17	1,333	1,740	2,110	2,567	2,898	3,965
18	1,330	1,734	2,101	2,552	2,878	3,922
19	1,328	1,729	2,093	2,539	2,861	3,883
20	1,325	1,725	2,086	2,528	2,845	3,850
21	1,323	1,721	2,080	2,518	2,831	3,819
22	1,321	1,717	2,074	2,508	2,819	3,792
23	1,319	1,714	2,069	2,500	2,807	3,768
24	1,318	1,711	2,064	2,492	2,797	3,745
25	1,316	1,708	2,060	2,485	2,787	3,725
26	1,315	1,706	2,056	2,479	2,779	3,707
27	1,314	1,703	2,052	2,473	2,771	3,689
28	1,313	1,701	2,048	2,467	2,763	3,674
29	1,311	1,699	2,045	2,462	2,756	3,660
30	1,310	1,697	2,042	2,457	2,750	3,646