chi-squared page 1 f(x) 0 Degrees of Freedom 2 Critical Values of x n - X.995 X.990 X375 X 950 X,900 .0000393 .0001571 .0009821 .0039321 .0157908 12345678 .0100251 .0201007 .0506356 .102587 .210720 .0717212 .114832 .215795 .351846 .584375 .206990 .297110 .484419 .710721 1.063623 .411740 .554300 .831211 1.145476 1.61031 .675727 .872085 1.237347 1.63539 2.20413 .989265 1.239043 1.68987 2.16735 2.83311 1.344419 1.646482 2.17973 2.73264 3.48954 9 1.734926 2.087912 2.70039 3.32511 4.16816 10 2.15585 2.55821 3.24697 3.94030 4.86518 11 2.60321 3.05347 3.81575 4.57481 5.57779 12 3.07382 3.57056 4.40379 5.22603 6.30380 13 3.56503 4.10691 5.00874 5.89186 7.04150 14 4.07468 4.66043 5.62872 6.57063 7.78953 15 4.60094 5.22935 6.26214 7.26094 8.54675 16 5.14224 5.81221 6.90766 7.96164 9.31223 17 5.69724 6.40776 7.56418 8.67176 10.0852 18 6.26481 7.01491 8.23075 9.39046 10.8649 19 6.84398 7.63273 8.90655 10.1170 11.6509 20 7.43386 8.26040 9.59083 10.8508 12.4426 21 8.03366 8.89720 10.28293 11.5913 13.2396 22 8.64272 9.54249 10.9823 12.3380 14.0415 23 9.26042 10.19567 11.6885 13.0905 14.8479 24 9.88623 10.8564 12.4011 13.8484 15.6587 25 10.5197 11.5240 13.1197 14.6114 16.4734 26 11.1603 12.1981 13.8439 15.3791 17.2919 27 11.8076 12.8786 14.5733 16.1513 18.1138 28 12.4613 13.5648 15.3079 16.9279 18.9392 29 13.1211 14.2565 16.0471 17.7083 19.7677 30 13.7867 14.9535 16.7908 18.4926 20.5992 40 20.7065 22.1643 24.4331 26.5093 29.0505 50 27.9907 29.7067 32.3574 34.7642 37.6886 60 35.5346 37.4848 40.4817 43.1879 46.4589 70 43.2752 45.4418 48.7576 51.7393 55.3290 Print Done chi-squared page 2 f(x) 0 Degrees of Freedom Critical Values of (continued) n - X X.100 s X.025 X1010 X.005 123456789 2.70554 3.84146 5.02389 6.63490 7.87944 4.60517 5.99147 7.37776 9.21034 10.5966 6.25139 7.81473 9.34840 11.3449 12.8381 7.77944 9.48773 11.1433 13.2767 14.8602 9.23635 11.0705 12.8325 15.0863 16.7496 10.6446 12.5916 14.4494 16.8119 18.5476 12.0170 14.0671 16.0128 18.4753 20.2777 13.3616 15.5073 17.5346 20.0902 21.9550 14.6837 16.9190 19.0228 21.6660 23.5893 10 15.9871 18.3070 20.4831 23.2093 25.1882 11 17.2750 19.6751 21.9200 24.7250 26.7569 12 18.5494 21.0261 23.3367 26.2170 28.2995 13 19.8119 22.3621 24.7356 27.6883 29.8194 14 21.0642 23.6848 26.1190 29.1413 31.3193 15 22.3072 24.9958 27.4884 30.5779 32.8013 16 23.5418 26.2962 28.8454 31.9999 34.2672 17 24.7690 27.5871 30.1910 33.4087 35.7185 18 25.9894 28.8693 31.5264 34.8053 37.1564 19 27.2036 30.1435 32.8523 36.1908 38.5822 20 28.4120 31.4104 34.1696 37.5662 39.9968 21 29.6151 32.6705 35.4789 38.9321 41.4010 22 30.8133 33.9244 36.7807 40.2894 42.7956 23 32.0069 35.1725 38.0757 41.6384 44.1813 24 33.1963 36.4151 39.3641 42.9798 45.5585 25 34.3816 37.6525 40.6465 44.3141 46.9278 26 35.5631 38.8852 41.9232 45.6417 48.2899 27 36.7412 40.1133 43.1944 46.9630 49.6449 28 37.9159 41.3372 44.4607 48.2782 50.9933 29 39.0875 42.5569 45.7222 49.5879 52.3356 30 40.2560 43.7729 46.9792 50.8922 53.6720 40 51.8050 55.7585 59.3417 63.6907 66.7659 50 63.1671 67.5048 71.4202 76.1539 79.4900 60 74.3970 79.0819 83.2976 88.3794 91.9517 70 85.5271 90.5312 95.0231 100.425 104.215 80 96.5782 101.879 106.629 112.329 116.321 Print Done Find the rejection region for a one-dimensional x test of a null hypothesis concerning P1, P2, Pk if k = 9 and a = 0.01. Click to view page 1 of the critical values of Chi-squared Click to view page 2 of the critical values of Chi-squared The rejection region is x > for k = 9 and = 0.01. (Round to four decimal places as needed.)