International
Tables for
Crystallography
Volume C
Mathematical, physical and chemical tables
Edited by E. Prince

© International Union of Crystallography 2006
International Tables for Crystallography (2006). Vol. C. ch. 8.4, p. 703

Table 8.4.1.1 

E. Princea and C. H. Spiegelmanb

a NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA, and bDepartment of Statistics, Texas A&M University, College Station, TX 77843, USA

Table 8.4.1.1 | top | pdf |
Values of χ2/ν for which the c.d.f. ψ(χ2, ν) has the values given in the column headings, for various values of ν

ν 0.5 0.9 0.95 0.99 0.995
1 0.4549 2.7055 3.8415 6.6349 7.8795
2 0.6931 2.3026 2.9957 4.6052 5.2983
3 0.7887 2.0838 2.6049 3.7816 4.2794
4 0.8392 1.9449 2.3719 3.3192 3.7151
6 0.8914 1.7741 2.0986 2.8020 3.0913
8 0.9180 1.6702 1.9384 2.5113 2.7444
10 0.9342 1.5987 1.8307 2.3209 2.5188
15 0.9559 1.4871 1.6664 2.0385 2.1868
20 0.9669 1.4206 1.5705 1.8783 1.9999
25 0.9735 1.3753 1.5061 1.7726 1.8771
30 0.9779 1.3419 1.4591 1.6964 1.7891
40 0.9834 1.2951 1.3940 1.5923 1.6692
50 0.9867 1.2633 1.3501 1.5231 1.5898
60 0.9889 1.2400 1.3180 1.4730 1.5325
80 0.9917 1.2072 1.2735 1.4041 1.4540
100 0.9933 1.1850 1.2434 1.3581 1.4017
120 0.9945 1.1686 1.2214 1.3246 1.3638
140 0.9952 1.1559 1.2044 1.2989 1.3346
160 0.9958 1.1457 1.1907 1.2783 1.3114
200 0.9967 1.1301 1.1700 1.2472 1.2763