统计学t检验临界表_动视

统计学t检验临界表

2025-10-02 14:59:51 责编:小OO

n’	P(2): 　　P(1):	0.50 　　0.25	0.20 　　0.10	0.10 　　0.05	0.05 　　0.025	0.02 　　0.01	0.01 　　0.005	0.005 　　0.0025		0.002 　　0.001	0.001 　　0.0005
1		1.000	3.078	6.314	12.706	31.821	63.657	127.321		318.309	636.619
2		0.816	1.886	2.920	4.303	6.965	9.925	14.0		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	8.610
5		0.727	1.476	2.015	2.571	3.365	4.032	4.773		5.3	6.869
6		0.718	1.440	1.943	2.447	3.143	3.707		4.317	5.208	5.959
7		0.711	1.415	1.5	2.365	2.998	3.499		4.029	4.785	5.408
8		0.706	1.397	1.860	2.306	2.6	3.355		3.833	4.501	5.041
9		0.703	1.383	1.833	2.262	2.821	3.250		3.690	4.297	4.781
10		0.700	1.372	1.812	2.228	2.7	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	3.930	4.318
13		0.694	1.350	1.771	2.160	2.650	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	4.140
15		0.691	1.341	1.753	2.131	2.602	2.947		3.286	3.733	4.073
16		0.690	1.337	1.746	2.120	2.583	2.921		3.252	3.686	4.015
17		0.6	1.333	1.740	2.110	2.567	2.8		3.222	3.6	3.965
18		0.688	1.330	1.734	2.101	2.552	2.878		3.197	3.610	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	3.850
21		0.686	1.323	1.721	2.080	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	2.500	2.807		3.104	3.485	3.768
24		0.685	1.318	1.711	2.0	2.492	2.797		3.091	3.467	3.745
25		0.684	1.316	1.708	2.060	2.485	2.787		3.078	3.450	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	3.690
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	1.310	1.697	2.042	2.457	2.750		3.030	3.385	3.6
31		0.682	1.309	1.696	2.040	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	1.690	2.030	2.438	2.724		2.996	3.340	3.591
36		0.681	1.306	1.688	2.028	2.434	2.719		2.990	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		2.980	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	2.000	2.390	2.660		2.915	3.232	3.460
70		0.678	1.294	1.667	1.994	2.381	2.8		2.9	3.211	3.436
80		0.678	1.292	1.6	1.990	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	1.290	1.660	1.984	2.3	2.626		2.871	3.174	3.390
200		0.676	1.286	1.653	1.972	2.345	2.601		2.839	3.131	3.340
500		0.675	1.283	1.8	1.965	2.334	2.586		2.820	3.107	3.310
1000		0.675	1.282	1.6	1.962	2.330	2.581		2.813	3.098	3.300
∝		0.6745	1.2816	1.49	1.9600	2.3263	2.5758		2.8070	3.0902	3.2905

　　注：表上右上角图中的阴影部分表示概率P，P（2）是双侧的概率，P（1）是单侧的概率，n’是自由度。下载本文

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