t检验（t-test）临界值表（临界置信水平）

t检验（t-test）临界值表（临界置信水平）下载

n’	P(2):	0.5	0.2	0.1	0.05	0.02	0.01	0.005	0.002	0.001

	P(1):	0.25	0.1	0.05	0.025	0.01	0.005	0.0025	0.001	0.0005
1		1	3.078	6.314	12.706	31.821	63.657	127.321	318.309	636.619
2		0.816	1.886	2.92	4.303	6.965	9.925	14.089	22.327	31.599
3		0.765	1.638	2.353	3.182	4.541	5.841	7.453	10.215	12.924
4		0.741	1.533	2.132	2.776	3.747	4.604	5.598	7.173	8.61
5		0.727	1.476	2.015	2.571	3.365	4.032	4.773	5.893	6.869
6		0.718	1.44	1.943	2.447	3.143	3.707	4.317	5.208	5.959
7		0.711	1.415	1.895	2.365	2.998	3.499	4.029	4.785	5.408
8		0.706	1.397	1.86	2.306	2.896	3.355	3.833	4.501	5.041
9		0.703	1.383	1.833	2.262	2.821	3.25	3.69	4.297	4.781
10		0.7	1.372	1.812	2.228	2.764	3.169	3.581	4.144	4.587
11		0.697	1.363	1.796	2.201	2.718	3.106	3.497	4.025	4.437
12		0.695	1.356	1.782	2.179	2.681	3.055	3.428	3.93	4.318
13		0.694	1.35	1.771	2.16	2.65	3.012	3.372	3.852	4.221
14		0.692	1.345	1.761	2.145	2.624	2.977	3.326	3.787	4.14
15		0.691	1.341	1.753	2.131	2.602	2.947	3.286	3.733	4.073
16		0.69	1.337	1.746	2.12	2.583	2.921	3.252	3.686	4.015
17		0.689	1.333	1.74	2.11	2.567	2.898	3.222	3.646	3.965
18		0.688	1.33	1.734	2.101	2.552	2.878	3.197	3.61	3.922
19		0.688	1.328	1.729	2.093	2.539	2.861	3.174	3.579	3.883
20		0.687	1.325	1.725	2.086	2.528	2.845	3.153	3.552	3.85
21		0.686	1.323	1.721	2.08	2.518	2.831	3.135	3.527	3.819
22		0.686	1.321	1.717	2.074	2.508	2.819	3.119	3.505	3.792
23		0.685	1.319	1.714	2.069	2.5	2.807	3.104	3.485	3.768
24		0.685	1.318	1.711	2.064	2.492	2.797	3.091	3.467	3.745
25		0.684	1.316	1.708	2.06	2.485	2.787	3.078	3.45	3.725
26		0.684	1.315	1.706	2.056	2.479	2.779	3.067	3.435	3.707
27		0.684	1.314	1.703	2.052	2.473	2.771	3.057	3.421	3.69
28		0.683	1.313	1.701	2.048	2.467	2.763	3.047	3.408	3.674
29		0.683	1.311	1.699	2.045	2.462	2.756	3.038	3.396	3.659
30		0.683	1.31	1.697	2.042	2.457	2.75	3.03	3.385	3.646
31		0.682	1.309	1.696	2.04	2.453	2.744	3.022	3.375	3.633
32		0.682	1.309	1.694	2.037	2.449	2.738	3.015	3.365	3.622
33		0.682	1.308	1.692	2.035	2.445	2.733	3.008	3.356	3.611
34		0.682	1.307	1.091	2.032	2.441	2.728	3.002	3.348	3.601
35		0.682	1.306	1.69	2.03	2.438	2.724	2.996	3.34	3.591
36		0.681	1.306	1.688	2.028	2.434	2.719	2.99	3.333	3.582
37		0.681	1.305	1.687	2.026	2.431	2.715	2.985	3.326	3.574
38		0.681	1.304	1.686	2.024	2.429	2.712	2.98	3.319	3.566
39		0.681	1.304	1.685	2.023	2.426	2.708	2.976	3.313	3.558
40		0.681	1.303	1.684	2.021	2.423	2.704	2.971	3.307	3.551
50		0.679	1.299	1.676	2.009	2.403	2.678	2.937	3.261	3.496
60		0.679	1.296	1.671	2	2.39	2.66	2.915	3.232	3.46
70		0.678	1.294	1.667	1.994	2.381	2.648	2.899	3.211	3.436
80		0.678	1.292	1.664	1.99	2.374	2.639	2.887	3.195	3.416
90		0.677	1.291	1.662	1.987	2.368	2.632	2.878	3.183	3.402
100		0.677	1.29	1.66	1.984	2.364	2.626	2.871	3.174	3.39
200		0.676	1.286	1.653	1.972	2.345	2.601	2.839	3.131	3.34
500		0.675	1.283	1.648	1.965	2.334	2.586	2.82	3.107	3.31
1000		0.675	1.282	1.646	1.962	2.33	2.581	2.813	3.098	3.3
∝		0.6745	1.2816	1.6449	1.96	2.3263	2.5758	2.807	3.0902	3.2905

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t检验（t-test）临界值表（临界置信水平）

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