Page 109 - Standard Handbook Of Petroleum & Natural Gas Engineering

Table 1-20
Critical Values for the Chi-square Distrlbution
Degrees
of
Freedom
V
a .9~ .995 .99O .975 .9SO .9OO .7W SO0 .2O0 .lo0 .050 .020 .010 .005 .OO1
1. .ooo ,000 .ooo ,001 ,004 ,016 .146 ,455 1.642 2.706 3.842 5.405 6.637 7.905 10.809
2. .002 .010 ,020 .051 ,102 ,211 ,713 1.386 3.219 4.604 5.995 7.822 9.221 10.569 13.691
3. ,024 ,071 ,115 ,216 ,352 ,584 1.424 2.366 4.642 6.252 7.817 9.841 11.325 12.819 16.292
4. .090 ,205 ,297 ,484 ,711 1.064 2,195 3.357 5.989 7.782 9.492 11.660 13.280 14.624 16.432
5. .209 ,411 .553 ,831 1.145 1.610 3.000 4.352 7.291 9.237 11.073 13.385 15.088 16.762 20.751
6. ,377 ,673 ,871 1.236 1.635 2.204 3.628 5.349 6.559 10.646 12.596 15.033 16.610 18.550 22.677
7. ,597 ,986 1.237 1.688 2.167 2.833 4.671 6.346 9.804 12.020 14.070 16.624 16.471 20.270 24.527
8. ,850 1.341 1.642 2.179 2.732 3.489 5.527 7.344 11.031 13.363 15.512 18.171 20.082 21.936 26.318
9. 1.135 1.726 2.086 2.699 3.324 4.168 6.393 8.343 12.243 14.686 16.925 19.663 21.654 23.563 28.061
10. 1.446 2.152 2.555 3.244 3.938 4.664 7.266 9.342 13.443 15.990 18.311 21.165 23.194 25.154 29.763
11. 1.819 2.597 3.047 3.815 4.574 5.576 6.146 10.341 14.633 17.278 19.681 22.623 24.755 26.714 31.431
12. 2.188 3.064 3.568 4.402 5.225 6.303 9.034 11.340 15.813 18.551 21.030 24.059 26.246 28.249 33.070
13. 2.577 3.560 4.102 5.006 5.890 7.041 9.926 12.340 16.986 19.614 22.367 25.477 27.717 29.878 34.683
14. 3.018 4.066 4.653 5.624 6.568 7.769 10.821 13.339 16.152 21.067 23.691 26.879 29.169 31.376 36.272
15. 3.449 4.588 5.226 6.260 7.260 8.546 11.721 14.339 19.312 22.310 25.000 28.266 30.605 32.857 37.842
16. 3.894 5.135 5.807 6.905 7.960 9.311 12.624 15.339 20.466 23.546 26.301 29.640 32.027 34.321 39.392