Критические значения t-критерия Стьюдента

при заданном уровне значимости a и степени свободы k­

t_кр = t_кр(k, a)

k	Уровень значимости a (двусторонняя критическая область)
0,1	0,05	0,02	0,01	0,005	0,002	0,001
	6,314	12,706	31,821	63,657	127,321	318,309	636,619
	2,920	4,303	6,965	9,925	14,089	22,327	31,599
	2,353	3,182	4,541	5,841	7,453	10,214	12,924
	2,132	2,776	3,747	4,604	5,597	7,173	8,610
	2,015	2,571	3,365	4,032	4,773	5,893	6,869
	1,943	2,447	3,143	3,707	4,317	5,208	5,959
	1,895	2,365	2,998	3,499	4,029	4,785	5,408
	1,860	2,306	2,896	3,355	3,833	4,501	5,041
	1,833	2,262	2,821	3,250	3,690	4,297	4,781
	1,812	2,228	2,764	3,169	3,581	4,144	4,587
	1,796	2,201	2,718	3,106	3,497	4,025	4,437
	1,782	2,179	2,681	3,055	3,428	3,930	4,318
	1,771	2,160	2,650	3,012	3,372	3,852	4,221
	1,761	2,145	2,624	2,977	3,326	3,787	4,140
	1,763	2,131	2,602	2,947	3,286	3,733	4,073
	1,746	2,120	2,583	2,921	3,252	3,686	4,015
	1,740	2,110	2,567	2,898	3,222	3,645	3,985
	1,734	2,101	2,552	2,878	3,197	3,610	3,922
	1,729	2,093	2,540	2,861	3,174	3,579	3,883
	1,725	22,086	2,528	2,845	3,153	3,552	3,849
	1,717	2,074	2,508	2,819	3,119	3,505	3,792
	1,711	2,064	2,492	2,797	3,091	3,467	3,745
	1,706	2,056	2,479	2,779	3,067	3,435	3,707
	1,701	2,048	2,467	2,763	3,047	3,408	3,674
	1,697	2,042	2,457	2,750	3,030	3,385	3,646
	1,690	2,030	2,440	2,720	2,996	3,340	3,591
	1,688	2,028	2,434	2,719	2,990	3,333	3,582
	1,684	2,021	2,423	2,704	2,971	3,307	3,551
	1,676	2,009	2,403	2,678	2,937	3,261	3,496
	1,660	1,984	2,364	2,626	2,871	3,174	3,390
¥	1,645	1,960	2,326	2,576	2,807	3,090	3,291