Chi-Square Distribution Table
The shaded area is equal to a for \2 = \2a
df	X2995	X2ggo	X2975	X2950	X2goo	X2ioo	X2050	X2025	X2oio	X2005
1 2 3 4 5	0.000 0.010 0.072 0.207 0.412	0.000 0.020 0.115 0.297 0.554	0.001 0.051 0.216 0.484 0.831	0.004 0.103 0.352 0.711 1.145	0.016 0.211 0.584 1.064 1.610	2.706 4.605 6.251 7.779 9.236	3.841 5.991 7.815 9.488 11.070	5.024 7.378 9.348 11.143 12.833	6.635 9.210 11.345 13.277 15.086	7.879 10.597 12.838 14.860 16.750
6 7 8 9 10	0.676 0.989 1.344 1.735 2.156	0.872 1.239 1.646 2.088 2.558	1.237 1.690 2.180 2.700 3.247	1.635 2.167 2.733 3.325 3.940	2.204 2.833 3.490 4.168 4.865	10.645 12.017 13.362 14.684 15.987	12.592 14.067 15.507 16.919 18.307	14.449 16.013 17.535 19.023 20.483	16.812 18.475 20.090 21.666 23.209	18.548 20.278 21.955 23.589 25.188
11 12 13 14 15	2.603 3.074 3.565 4.075 4.601	3.053 3.571 4.107 4.660 5.229	3.816 4.404 5.009 5.629 6.262	4.575 5.226 5.892 6.571 7.261	5.578 6.304 7.042 7.790 8.547	17.275 18.549 19.812 21.064 22.307	19.675 21.026 22.362 23.685 24.996	21.920 23.337 24.736 26.119 27.488	24.725 26.217 27.688 29.141 30.578	26.757 28.300 29.819 31.319 32.801
16 17 18 19 20	5.142 5.697 6.265 6.844 7.434	5.812 6.408 7.015 7.633 8.260	6.908 7.564 8.231 8.907 9.591	7.962 8.672 9.390 10.117 10.851	9.312 10.085 10.865 11.651 12.443	23.542 24.769 25.989 27.204 28.412	26.296 27.587 28.869 30.144 31.410	28.845 30.191 31.526 32.852 34.170	32.000 33.409 34.805 36.191 37.566	34.267 35.718 37.156 38.582 39.997
21 22 23 24 25	8.034 8.643 9.260 9.886 10.520	8.897 9.542 10.196 10.856 11.524	10.283 10.982 11.689 12.401 13.120	11.591 12.338 13.091 13.848 14.611	13.240 14.041 14.848 15.659 16.473	29.615 30.813 32.007 33.196 34.382	32.671 33.924 35.172 36.415 37.652	35.479 36.781 38.076 39.364 40.646	38.932 40.289 41.638 42.980 44.314	41.401 42.796 44.181 45.559 46.928
26 27 28 29 30	11.160 11.808 12.461 13.121 13.787	12.198 12.879 13.565 14.256 14.953	13.844 14.573 15.308 16.047 16.791	15.379 16.151 16.928 17.708 18.493	17.292 18.114 18.939 19.768 20.599	35.563 36.741 37.916 39.087 40.256	38.885 40.113 41.337 42.557 43.773	41.923 43.195 44.461 45.722 46.979	45.642 46.963 48.278 49.588 50.892	48.290 49.645 50.993 52.336 53.672
40 50 60 70	20.707 27.991 35.534 43.275	22.164 29.707 37.485 45.442	24.433 32.357 40.482 48.758	26.509 34.764 43.188 51.739	29.051 37.689 46.459 55.329	51.805 63.167 74.397 85.527	55.758 67.505 79.082 90.531	59.342 71.420 83.298 95.023	63.691 76.154 88.379 100.425	66.766 79.490 91.952 104.215
80 90 100	51.172 59.196 67.328	53.540 61.754 70.065	57.153 65.647 74.222	60.391 69.126 77.929	64.278 73.291 82.358	96.578 107.565 118.498	101.879 113.145 124.342	106.629 118.136 129.561	112.329 124.116 135.807	116.321 128.299 140.169