Significancia de Ji cuadrada

Significancia de χ²

Para calcular la significancia de un valor χ², éste debe ser mayor que el del percentil correspondiente, dependiendo de si se trata de una prueba de una cola (unilateral) o de dos colas (bilateral)

Percentiles de la distribucion Ji-cuadrada
	Prueba Bilateral			Prueba Unilateral
significancia	0.05	0.01	0.001	0.05	0.01	0.001
gl	P₉₅	P₉₉	P_99.9	P₉₀	P₉₈	P_99.8
1	3.8415	6.6349	10.8276	1.6424	4.2179	8.2838
2	5.9915	9.2103	13.8155	3.2189	6.4378	11.0429
3	7.8147	11.3449	16.2662	4.6416	8.3112	13.3164
4	9.4877	13.2767	18.4668	5.9886	10.0255	15.3656
5	11.0705	15.0863	20.5150	7.2893	11.6443	17.2790
6	12.5916	16.8119	22.4577	8.5581	13.1978	19.0988
7	14.0671	18.4753	24.3219	9.8032	14.7030	20.8491
8	15.5073	20.0902	26.1245	11.0301	16.1708	22.5452
9	16.9190	21.6660	27.8772	12.2421	17.6083	24.1973
10	18.3070	23.2093	29.5883	13.4420	19.0207	25.8130
11	19.6751	24.7250	31.2641	14.6314	20.4120	27.3977
12	21.0261	26.2170	32.9095	15.8120	21.7851	28.9558
13	22.3620	27.6882	34.5282	16.9848	23.1423	30.4905
14	23.6848	29.1412	36.1233	18.1508	24.4855	32.0046
15	24.9958	30.5779	37.6973	19.3107	25.8162	33.5003
16	26.2962	31.9999	39.2524	20.4651	27.1356	34.9795
17	27.5871	33.4087	40.7902	21.6146	28.4450	36.4437
18	28.8693	34.8053	42.3124	22.7595	29.7451	37.8943
19	30.1435	36.1909	43.8202	23.9004	31.0367	39.3323
20	31.4104	37.5662	45.3147	25.0375	32.3206	40.7589
21	32.6706	38.9322	46.7970	26.1711	33.5972	42.1747
22	33.9244	40.2894	48.2679	27.3015	34.8673	43.5807
23	35.1725	41.6384	49.7282	28.4288	36.1311	44.9775
24	36.4150	42.9798	51.1786	29.5533	37.3891	46.3656
25	37.6525	44.3141	52.6197	30.6752	38.6416	47.7457
26	38.8851	45.6417	54.0520	31.7946	39.8891	49.1181
27	40.1133	46.9629	55.4760	32.9117	41.1318	50.4834
28	41.3371	48.2782	56.8923	34.0266	42.3699	51.8420
29	42.5570	49.5879	58.3012	35.1394	43.6038	53.1942
30	43.7730	50.8922	59.7031	36.2502	44.8336	54.5403
31	44.9853	52.1914	61.0983	37.3591	46.0595	55.8806
32	46.1943	53.4858	62.4872	38.4663	47.2817	57.2155
33	47.3999	54.7755	63.8701	39.5718	48.5005	58.5451
34	48.6024	56.0609	65.2472	40.6756	49.7159	59.8698
35	49.8018	57.3421	66.6188	41.7780	50.9281	61.1897
36	50.9985	58.6192	67.9852	42.8788	52.1373	62.5050
37	52.1923	59.8925	69.3465	43.9782	53.3435	63.8160
38	53.3835	61.1621	70.7029	45.0763	54.5470	65.1227
39	54.5722	62.4281	72.0547	46.1730	55.7477	66.4254
40	55.7585	63.6907	73.4020	47.2685	56.9459	67.7243
41	56.9424	64.9501	74.7449	48.3628	58.1415	69.0194
42	58.1240	66.2062	76.0838	49.4560	59.3348	70.3110
43	59.3035	67.4593	77.4186	50.5480	60.5257	71.5990
44	60.4809	68.7095	78.7495	51.6389	61.7144	72.8838

Significancia de χ2

Significancia de χ²