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Appendix A: Tables 371
A.5 CHI-SQUARED DISTRIBUTION WITH nDEGREES OF FREED OM
Table A.5 Chi-squared distribution with n degrees of freedom: a table of 2 n, in
P-D > 2 n, ) , for 0:005 to 0.995, n 1to30
n
0.995 0.99 0.975 0.95 0.05 0.025 0.01 0.005
3
2
4
3
1 0.0 393 0.0 157 0.0 982 0.0 393 3.841 5.024 6.635 7.879
2 0.0100 0.0201 0.0506 0.103 5.991 7.378 9.210 10.597
3 0.717 0.115 0.216 0.352 7.815 9.348 11.346 12.838
4 0.207 0.297 0.484 0.711 9.488 11.143 13.277 14.860
5 0.412 0.554 0.831 1.145 11.070 12.832 15.086 16.750
6 0.676 0.872 1.237 1.635 12.592 14.449 16.812 18.548
7 0.989 1.239 1.690 2.167 14.067 16.013 18.475 20.278
8 1.344 1.646 2.180 2.733 15.507 17.535 20.090 21.955
9 1.735 2.088 2.700 3.325 16.919 19.023 21.666 23.589
10 2.156 2.558 3.247 3.940 18.307 20.483 23.209 25.188
11 2.603 3.053 3.816 4.575 19.675 21.920 24.725 26.757
12 3.074 3.571 4.404 5.226 21.026 23.337 26.217 28.300
13 3.565 4.107 5.009 5.892 22.362 24.736 27.688 29.819
14 4.075 4.660 5.628 6.571 23.685 26.119 29.141 31.319
15 4.601 5.229 6.262 7.261 24.996 27.488 30.578 32.801
16 5.142 5.812 6.908 7.962 26.296 28.845 32.000 34.267
17 5.697 6.408 7.564 8.672 27.587 30.191 33.409 35.718
18 6.265 7.015 8.231 9.390 28.869 31.526 34.805 37.156
19 6.844 7.633 8.907 10.117 30.144 32.852 36.191 38.582
20 7.434 8.260 9.591 10.851 31.410 34.170 37.566 39.997
21 8.034 8.897 10.283 11.591 32.671 35.479 38.932 41.401
22 8.643 9.542 10.982 12.338 33.924 36.781 40.289 42.796
23 9.260 10.196 11.689 13.091 35.172 38.076 41.638 44.181
24 9.886 10.856 12.401 13.848 36.415 39.364 42.980 45.558
25 10.520 11.524 13.120 14.611 37.652 40.646 44.314 46.928
26 11.160 12.198 13.844 15.379 38.885 41.923 45.642 48.290
27 11.808 12.879 14.573 16.151 40.113 43.194 46.963 49.645
28 12.461 13.565 15.308 16.928 41.337 44.461 48.278 50.993
29 13.121 14.256 16.047 17.708 42.557 45.722 49.588 52.336
30 13.787 14.953 16.791 18.493 43.773 46.979 50.892 53.672
From Pearson, E.S. and Hartley, H.O., 1954, Biometrika Tables for Statisticians, Volume 1, Cambridge
University Press, with permission.
TLFeBOOK
