Distribución $\chi^2$ de Pearson

Abscisas $\chi_{n,\alpha}^2$ que deixan á súa dereita un área $\alpha$
nunha $\chi^2$ con $n$ graos de liberdade

$\displaystyle \int_{\chi_{n,\alpha}^2}^\infty c_n\, x^{n/2-1}e^{-x/2}\,dx=\alpha$

	0.450	0.500	0.550	0.600	0.650	0.700	0.750	0.800	0.850	0.900	0.950	0.975	0.980	0.990	0.995
1	0.5707	0.4549	0.3573	0.2750	0.2059	0.1485	0.1015	0.0642	0.0358	0.0158	0.0039	0.0010	0.0006	0.0002	0.0000
2	1.5970	1.3863	1.1957	1.0217	0.8616	0.7133	0.5754	0.4463	0.3250	0.2107	0.1026	0.0506	0.0404	0.0201	0.0100
3	2.6430	2.3660	2.1095	1.8692	1.6416	1.4237	1.2125	1.0052	0.7978	0.5844	0.3518	0.2158	0.1848	0.1148	0.0717
4	3.6871	3.3567	3.0469	2.7528	2.4701	2.1947	1.9226	1.6488	1.3665	1.0636	0.7107	0.4844	0.4294	0.2971	0.2070
5	4.7278	4.3515	3.9959	3.6555	3.3251	2.9999	2.6746	2.3425	1.9938	1.6103	1.1455	0.8312	0.7519	0.5543	0.4117
6	5.7652	5.3481	4.9519	4.5702	4.1973	3.8276	3.4546	3.0701	2.6613	2.2041	1.6354	1.2373	1.1344	0.8721	0.6757
7	6.8000	6.3458	5.9125	5.4932	5.0816	4.6713	4.2549	3.8223	3.3583	2.8331	2.1673	1.6899	1.5643	1.2390	0.9893
8	7.8325	7.3441	6.8766	6.4226	5.9753	5.5274	5.0706	4.5936	4.0782	3.4895	2.7326	2.1797	2.0325	1.6465	1.3444
9	8.8632	8.3428	7.8434	7.3570	6.8763	6.3933	5.8988	5.3801	4.8165	4.1682	3.3251	2.7004	2.5324	2.0879	1.7349
10	9.8922	9.3418	8.8124	8.2955	7.7832	7.2672	6.7372	6.1791	5.5701	4.8652	3.9403	3.2470	3.0591	2.5582	2.1559
11	10.919	10.341	9.7831	9.2373	8.6952	8.1479	7.5841	6.9887	6.3364	5.5778	4.5748	3.8157	3.6087	3.0535	2.6032
12	11.946	11.340	10.755	10.182	9.6115	9.0343	8.4384	7.8073	7.1138	6.3038	5.2260	4.4038	4.1783	3.5706	3.0738
13	12.971	12.339	11.728	11.129	10.531	9.9257	9.2991	8.6339	7.9008	7.0415	5.8919	5.0088	4.7654	4.1069	3.5650
14	13.996	13.339	12.703	12.078	11.454	10.821	10.165	9.4673	8.6963	7.7895	6.5706	5.6287	5.3682	4.6604	4.0747
15	15.019	14.338	13.679	13.029	12.380	11.721	11.036	10.307	9.4993	8.5468	7.2609	6.2621	5.9849	5.2293	4.6009
16	16.042	15.338	14.655	13.982	13.309	12.624	11.912	11.152	10.309	9.3122	7.9616	6.9077	6.6142	5.8122	5.1422
17	17.064	16.338	15.632	14.937	14.240	13.530	12.791	12.002	11.124	10.085	8.6718	7.5642	7.2550	6.4078	5.6972
18	18.086	17.337	16.610	15.893	15.173	14.439	13.675	12.857	11.946	10.864	9.3905	8.2307	7.9062	7.0149	6.2648
19	19.106	18.337	17.589	16.850	16.108	15.351	14.562	13.715	12.772	11.650	10.117	8.9065	8.5670	7.6327	6.8440
20	20.127	19.337	18.568	17.808	17.045	16.265	15.451	14.578	13.603	12.442	10.850	9.5908	9.2367	8.2604	7.4338
21	21.147	20.337	19.548	18.768	17.984	17.182	16.344	15.444	14.439	13.239	11.591	10.282	9.9146	8.8972	8.0337
22	22.166	21.337	20.528	19.728	18.924	18.100	17.239	16.314	15.278	14.041	12.338	10.982	10.600	9.5425	8.6427
23	23.185	22.336	21.509	20.690	19.865	19.021	18.137	17.186	16.121	14.848	13.090	11.688	11.292	10.195	9.2604
24	24.203	23.336	22.490	21.652	20.808	19.943	19.037	18.061	16.968	15.658	13.848	12.401	11.991	10.856	9.8862
25	25.221	24.336	23.472	22.615	21.752	20.867	19.939	18.939	17.818	16.473	14.611	13.119	12.697	11.524	10.519
26	26.239	25.336	24.454	23.579	22.697	21.792	20.843	19.820	18.671	17.291	15.379	13.843	13.408	12.198	11.160
27	27.256	26.336	25.436	24.544	23.643	22.719	21.749	20.703	19.527	18.113	16.151	14.573	14.125	12.878	11.807
28	28.274	27.336	26.419	25.509	24.590	23.647	22.657	21.588	20.385	18.939	16.927	15.307	14.847	13.564	12.461
29	29.290	28.336	27.402	26.475	25.539	24.577	23.566	22.475	21.246	19.767	17.708	16.047	15.574	14.256	13.121
30	30.307	29.336	28.385	27.441	26.488	25.507	24.477	23.364	22.110	20.599	18.492	16.790	16.306	14.953	13.786
31	31.323	30.335	29.369	28.408	27.438	26.439	25.390	24.255	22.976	21.433	19.280	17.538	17.042	15.655	14.457
32	32.339	31.335	30.353	29.376	28.388	27.372	26.304	25.147	23.844	22.270	20.071	18.290	17.782	16.362	15.134
33	33.355	32.335	31.337	30.344	29.340	28.306	27.219	26.042	24.714	23.110	20.866	19.046	18.527	17.073	15.815
34	34.370	33.335	32.321	31.313	30.292	29.242	28.136	26.938	25.586	23.952	21.664	19.806	19.275	17.789	16.501
35	35.385	34.335	33.306	32.282	31.245	30.178	29.054	27.835	26.460	24.796	22.465	20.569	20.027	18.508	17.191
40	40.458	39.335	38.232	37.134	36.020	34.871	33.660	32.345	30.856	29.050	26.509	24.433	23.837	22.164	20.706
60	60.712	59.334	57.977	56.620	55.239	53.809	52.293	50.640	48.758	46.458	43.188	40.481	39.699	37.484	35.534
80	80.926	79.334	77.763	76.187	74.582	72.915	71.144	69.206	66.993	64.277	60.391	57.153	56.212	53.540	51.171
90	91.023	89.334	87.666	85.992	84.285	82.511	80.624	78.558	76.195	73.291	69.126	65.646	64.634	61.754	59.196
100	101.11	99.334	97.574	95.807	94.004	92.128	90.133	87.945	85.440	82.358	77.929	74.221	73.142	70.064	67.327
120	121.28	119.33	117.40	115.46	113.48	111.41	109.21	106.80	104.03	100.62	95.704	91.572	90.366	86.923	83.851
140	141.44	139.33	137.24	135.14	133.00	130.76	128.38	125.75	122.74	119.02	113.65	109.13	107.81	104.03	100.65
	0.450	0.500	0.550	0.600	0.650	0.700	0.750	0.800	0.850	0.900	0.950	0.975	0.980	0.990	0.995