χ2 (chi squared) Table
df |
0.005 |
0.010 |
0.025 |
0.050 |
0.100 |
0.500 |
0.900 |
0.950 |
0.975 |
0.990 |
0.995 |
1 |
0.0000 |
0.0002 |
0.0010 |
0.0039 |
0.0158 |
0.4549 |
2.7055 |
3.8415 |
5.0239 |
6.6349 |
7.8794 |
2 |
0.0100 |
0.0201 |
0.0506 |
0.1026 |
0.2107 |
1.3863 |
4.6052 |
5.9915 |
7.3778 |
9.2103 |
10.5966 |
3 |
0.0717 |
0.1148 |
0.2158 |
0.3518 |
0.5844 |
2.3660 |
6.2514 |
7.8147 |
9.3484 |
11.3449 |
12.8382 |
4 |
0.2070 |
0.2971 |
0.4844 |
0.7107 |
1.0636 |
3.3567 |
7.7794 |
9.4877 |
11.1433 |
13.2767 |
14.8603 |
5 |
0.4117 |
0.5543 |
0.8312 |
1.1455 |
1.6103 |
4.3515 |
9.2364 |
11.0705 |
12.8325 |
15.0863 |
16.7496 |
6 |
0.6757 |
0.8721 |
1.2373 |
1.6354 |
2.2041 |
5.3481 |
10.6446 |
12.5916 |
14.4494 |
16.8119 |
18.5476 |
7 |
0.9893 |
1.2390 |
1.6899 |
2.1673 |
2.8331 |
6.3458 |
12.0170 |
14.0671 |
16.0128 |
18.4753 |
20.2777 |
8 |
1.3444 |
1.6465 |
2.1797 |
2.7326 |
3.4895 |
7.3441 |
13.3616 |
15.5073 |
17.5345 |
20.0902 |
21.9550 |
9 |
1.7349 |
2.0879 |
2.7004 |
3.3251 |
4.1682 |
8.3428 |
14.6837 |
16.9190 |
19.0228 |
21.6660 |
23.5894 |
10 |
2.1559 |
2.5582 |
3.2470 |
3.9403 |
4.8652 |
9.3418 |
15.9872 |
18.3070 |
20.4832 |
23.2093 |
25.1882 |
11 |
2.6032 |
3.0535 |
3.8157 |
4.5748 |
5.5778 |
10.3410 |
17.2750 |
19.6751 |
21.9200 |
24.7250 |
26.7568 |
12 |
3.0738 |
3.5706 |
4.4038 |
5.2260 |
6.3038 |
11.3403 |
18.5493 |
21.0261 |
23.3367 |
26.2170 |
28.2995 |
13 |
3.5650 |
4.1069 |
5.0088 |
5.8919 |
7.0415 |
12.3398 |
19.8119 |
22.3620 |
24.7356 |
27.6882 |
29.8195 |
14 |
4.0747 |
4.6604 |
5.6287 |
6.5706 |
7.7895 |
13.3393 |
21.0641 |
23.6848 |
26.1189 |
29.1412 |
31.3193 |
15 |
4.6009 |
5.2293 |
6.2621 |
7.2609 |
8.5468 |
14.3389 |
22.3071 |
24.9958 |
27.4884 |
30.5779 |
32.8013 |
16 |
5.1422 |
5.8122 |
6.9077 |
7.9616 |
9.3122 |
15.3385 |
23.5418 |
26.2962 |
28.8454 |
31.9999 |
34.2672 |
17 |
5.6972 |
6.4078 |
7.5642 |
8.6718 |
10.0852 |
16.3382 |
24.7690 |
27.5871 |
30.1910 |
33.4087 |
35.7185 |
18 |
6.2648 |
7.0149 |
8.2307 |
9.3905 |
10.8649 |
17.3379 |
25.9894 |
28.8693 |
31.5264 |
34.8053 |
37.1565 |
19 |
6.8440 |
7.6327 |
8.9065 |
10.1170 |
11.6509 |
18.3377 |
27.2036 |
30.1435 |
32.8523 |
36.1909 |
38.5823 |
20 |
7.4338 |
8.2604 |
9.5908 |
10.8508 |
12.4426 |
19.3374 |
28.4120 |
31.4104 |
34.1696 |
37.5662 |
39.9968 |
21 |
8.0337 |
8.8972 |
10.2829 |
11.5913 |
13.2396 |
20.3372 |
29.6151 |
32.6706 |
35.4789 |
38.9322 |
41.4011 |
22 |
8.6427 |
9.5425 |
10.9823 |
12.3380 |
14.0415 |
21.3370 |
30.8133 |
33.9244 |
36.7807 |
40.2894 |
42.7957 |
23 |
9.2604 |
10.1957 |
11.6886 |
13.0905 |
14.8480 |
22.3369 |
32.0069 |
35.1725 |
38.0756 |
41.6384 |
44.1813 |
24 |
9.8862 |
10.8564 |
12.4012 |
13.8484 |
15.6587 |
23.3367 |
33.1962 |
36.4150 |
39.3641 |
42.9798 |
45.5585 |
25 |
10.5197 |
11.5240 |
13.1197 |
14.6114 |
16.4734 |
24.3366 |
34.3816 |
37.6525 |
40.6465 |
44.3141 |
46.9279 |
26 |
11.1602 |
12.1981 |
13.8439 |
15.3792 |
17.2919 |
25.3365 |
35.5632 |
38.8851 |
41.9232 |
45.6417 |
48.2899 |
27 |
11.8076 |
12.8785 |
14.5734 |
16.1514 |
18.1139 |
26.3363 |
36.7412 |
40.1133 |
43.1945 |
46.9629 |
49.6449 |
28 |
12.4613 |
13.5647 |
15.3079 |
16.9279 |
18.9392 |
27.3362 |
37.9159 |
41.3371 |
44.4608 |
48.2782 |
50.9934 |
29 |
13.1211 |
14.2565 |
16.0471 |
17.7084 |
19.7677 |
28.3361 |
39.0875 |
42.5570 |
45.7223 |
49.5879 |
52.3356 |
30 |
13.7867 |
14.9535 |
16.7908 |
18.4927 |
20.5992 |
29.3360 |
40.2560 |
43.7730 |
46.9792 |
50.8922 |
53.6720 |
31 |
14.4578 |
15.6555 |
17.5387 |
19.2806 |
21.4336 |
30.3359 |
41.4217 |
44.9853 |
48.2319 |
52.1914 |
55.0027 |
32 |
15.1340 |
16.3622 |
18.2908 |
20.0719 |
22.2706 |
31.3359 |
42.5847 |
46.1943 |
49.4804 |
53.4858 |
56.3281 |
33 |
15.8153 |
17.0735 |
19.0467 |
20.8665 |
23.1102 |
32.3358 |
43.7452 |
47.3999 |
50.7251 |
54.7755 |
57.6484 |
34 |
16.5013 |
17.7891 |
19.8063 |
21.6643 |
23.9523 |
33.3357 |
44.9032 |
48.6024 |
51.9660 |
56.0609 |
58.9639 |
35 |
17.1918 |
18.5089 |
20.5694 |
22.4650 |
24.7967 |
34.3356 |
46.0588 |
49.8018 |
53.2033 |
57.3421 |
60.2748 |
36 |
17.8867 |
19.2327 |
21.3359 |
23.2686 |
25.6433 |
35.3356 |
47.2122 |
50.9985 |
54.4373 |
58.6192 |
61.5812 |
37 |
18.5858 |
19.9602 |
22.1056 |
24.0749 |
26.4921 |
36.3355 |
48.3634 |
52.1923 |
55.6680 |
59.8925 |
62.8833 |
38 |
19.2889 |
20.6914 |
22.8785 |
24.8839 |
27.3430 |
37.3355 |
49.5126 |
53.3835 |
56.8955 |
61.1621 |
64.1814 |
39 |
19.9959 |
21.4262 |
23.6543 |
25.6954 |
28.1958 |
38.3354 |
50.6598 |
54.5722 |
58.1201 |
62.4281 |
65.4756 |
40 |
20.7065 |
22.1643 |
24.4330 |
26.5093 |
29.0505 |
39.3353 |
51.8051 |
55.7585 |
59.3417 |
63.6907 |
66.7660 |
41 |
21.4208 |
22.9056 |
25.2145 |
27.3256 |
29.9071 |
40.3353 |
52.9485 |
56.9424 |
60.5606 |
64.9501 |
68.0527 |
42 |
22.1385 |
23.6501 |
25.9987 |
28.1440 |
30.7654 |
41.3352 |
54.0902 |
58.1240 |
61.7768 |
66.2062 |
69.3360 |
43 |
22.8595 |
24.3976 |
26.7854 |
28.9647 |
31.6255 |
42.3352 |
55.2302 |
59.3035 |
62.9904 |
67.4593 |
70.6159 |
44 |
23.5837 |
25.1480 |
27.5746 |
29.7875 |
32.4871 |
43.3352 |
56.3685 |
60.4809 |
64.2015 |
68.7095 |
71.8926 |
45 |
24.3110 |
25.9013 |
28.3662 |
30.6123 |
33.3504 |
44.3351 |
57.5053 |
61.6562 |
65.4102 |
69.9568 |
73.1661 |
46 |
25.0413 |
26.6572 |
29.1601 |
31.4390 |
34.2152 |
45.3351 |
58.6405 |
62.8296 |
66.6165 |
71.2014 |
74.4365 |
47 |
25.7746 |
27.4158 |
29.9562 |
32.2676 |
35.0814 |
46.3350 |
59.7743 |
64.0011 |
67.8206 |
72.4433 |
75.7041 |
48 |
26.5106 |
28.1770 |
30.7545 |
33.0981 |
35.9491 |
47.3350 |
60.9066 |
65.1708 |
69.0226 |
73.6826 |
76.9688 |
49 |
27.2493 |
28.9406 |
31.5549 |
33.9303 |
36.8182 |
48.3350 |
62.0375 |
66.3386 |
70.2224 |
74.9195 |
78.2307 |
50 |
27.9907 |
29.7067 |
32.3574 |
34.7643 |
37.6886 |
49.3349 |
63.1671 |
67.5048 |
71.4202 |
76.1539 |
79.4900 |
51 |
28.7347 |
30.4750 |
33.1618 |
35.5999 |
38.5604 |
50.3349 |
64.2954 |
68.6693 |
72.6160 |
77.3860 |
80.7467 |
52 |
29.4812 |
31.2457 |
33.9681 |
36.4371 |
39.4334 |
51.3349 |
65.4224 |
69.8322 |
73.8099 |
78.6158 |
82.0008 |
53 |
30.2300 |
32.0185 |
34.7763 |
37.2759 |
40.3076 |
52.3348 |
66.5482 |
70.9935 |
75.0019 |
79.8433 |
83.2526 |
54 |
30.9813 |
32.7934 |
35.5863 |
38.1162 |
41.1830 |
53.3348 |
67.6728 |
72.1532 |
76.1920 |
81.0688 |
84.5019 |
55 |
31.7348 |
33.5705 |
36.3981 |
38.9580 |
42.0596 |
54.3348 |
68.7962 |
73.3115 |
77.3805 |
82.2921 |
85.7490 |
56 |
32.4905 |
34.3495 |
37.2116 |
39.8013 |
42.9373 |
55.3348 |
69.9185 |
74.4683 |
78.5672 |
83.5134 |
86.9938 |
57 |
33.2484 |
35.1305 |
38.0267 |
40.6459 |
43.8161 |
56.3347 |
71.0397 |
75.6237 |
79.7522 |
84.7328 |
88.2364 |
58 |
34.0084 |
35.9135 |
38.8435 |
41.4920 |
44.6960 |
57.3347 |
72.1598 |
76.7778 |
80.9356 |
85.9502 |
89.4769 |
59 |
34.7704 |
36.6982 |
39.6619 |
42.3393 |
45.5770 |
58.3347 |
73.2789 |
77.9305 |
82.1174 |
87.1657 |
90.7153 |
60 |
35.5345 |
37.4849 |
40.4817 |
43.1880 |
46.4589 |
59.3347 |
74.3970 |
79.0819 |
83.2977 |
88.3794 |
91.9517 |
61 |
36.3005 |
38.2732 |
41.3031 |
44.0379 |
47.3418 |
60.3346 |
75.5141 |
80.2321 |
84.4764 |
89.5913 |
93.1861 |
62 |
37.0684 |
39.0633 |
42.1260 |
44.8890 |
48.2257 |
61.3346 |
76.6302 |
81.3810 |
85.6537 |
90.8015 |
94.4187 |
63 |
37.8382 |
39.8551 |
42.9503 |
45.7414 |
49.1105 |
62.3346 |
77.7454 |
82.5287 |
86.8296 |
92.0100 |
95.6493 |
64 |
38.6098 |
40.6486 |
43.7760 |
46.5949 |
49.9963 |
63.3346 |
78.8596 |
83.6753 |
88.0041 |
93.2169 |
96.8781 |
65 |
39.3831 |
41.4436 |
44.6030 |
47.4496 |
50.8829 |
64.3346 |
79.9730 |
84.8206 |
89.1771 |
94.4221 |
98.1051 |
66 |
40.1582 |
42.2402 |
45.4314 |
48.3054 |
51.7705 |
65.3345 |
81.0855 |
85.9649 |
90.3489 |
95.6257 |
99.3304 |
67 |
40.9350 |
43.0384 |
46.2610 |
49.1623 |
52.6588 |
66.3345 |
82.1971 |
87.1081 |
91.5194 |
96.8278 |
100.5540 |
68 |
41.7135 |
43.8380 |
47.0920 |
50.0202 |
53.5481 |
67.3345 |
83.3079 |
88.2502 |
92.6885 |
98.0284 |
101.7759 |
69 |
42.4935 |
44.6392 |
47.9242 |
50.8792 |
54.4381 |
68.3345 |
84.4179 |
89.3912 |
93.8565 |
99.2275 |
102.9962 |
70 |
43.2752 |
45.4417 |
48.7576 |
51.7393 |
55.3289 |
69.3345 |
85.5270 |
90.5312 |
95.0232 |
100.4252 |
104.2149 |
71 |
44.0584 |
46.2457 |
49.5922 |
52.6003 |
56.2206 |
70.3345 |
86.6354 |
91.6702 |
96.1887 |
101.6214 |
105.4320 |
72 |
44.8431 |
47.0510 |
50.4279 |
53.4623 |
57.1129 |
71.3344 |
87.7430 |
92.8083 |
97.3531 |
102.8163 |
106.6476 |
73 |
45.6293 |
47.8577 |
51.2648 |
54.3253 |
58.0061 |
72.3344 |
88.8499 |
93.9453 |
98.5163 |
104.0098 |
107.8617 |
74 |
46.4170 |
48.6657 |
52.1028 |
55.1892 |
58.9000 |
73.3344 |
89.9560 |
95.0815 |
99.6783 |
105.2020 |
109.0744 |
75 |
47.2060 |
49.4750 |
52.9419 |
56.0541 |
59.7946 |
74.3344 |
91.0615 |
96.2167 |
100.8393 |
106.3929 |
110.2856 |
76 |
47.9965 |
50.2856 |
53.7821 |
56.9198 |
60.6899 |
75.3344 |
92.1662 |
97.3510 |
101.9993 |
107.5825 |
111.4954 |
77 |
48.7884 |
51.0974 |
54.6234 |
57.7864 |
61.5858 |
76.3344 |
93.2702 |
98.4844 |
103.1581 |
108.7709 |
112.7038 |
78 |
49.5816 |
51.9104 |
55.4656 |
58.6539 |
62.4825 |
77.3344 |
94.3735 |
99.6169 |
104.3159 |
109.9581 |
113.9109 |
79 |
50.3761 |
52.7247 |
56.3089 |
59.5223 |
63.3799 |
78.3343 |
95.4762 |
100.7486 |
105.4728 |
111.1440 |
115.1166 |
80 |
51.1719 |
53.5401 |
57.1532 |
60.3915 |
64.2778 |
79.3343 |
96.5782 |
101.8795 |
106.6286 |
112.3288 |
116.3211 |
81 |
51.9690 |
54.3566 |
57.9984 |
61.2615 |
65.1765 |
80.3343 |
97.6796 |
103.0095 |
107.7834 |
113.5124 |
117.5242 |
82 |
52.7674 |
55.1743 |
58.8446 |
62.1323 |
66.0757 |
81.3343 |
98.7803 |
104.1387 |
108.9373 |
114.6949 |
118.7261 |
83 |
53.5669 |
55.9931 |
59.6918 |
63.0039 |
66.9756 |
82.3343 |
99.8805 |
105.2672 |
110.0902 |
115.8763 |
119.9268 |
84 |
54.3677 |
56.8130 |
60.5398 |
63.8763 |
67.8761 |
83.3343 |
100.9800 |
106.3948 |
111.2423 |
117.0565 |
121.1263 |
85 |
55.1696 |
57.6339 |
61.3888 |
64.7494 |
68.7772 |
84.3343 |
102.0789 |
107.5217 |
112.3934 |
118.2357 |
122.3246 |
86 |
55.9727 |
58.4559 |
62.2386 |
65.6233 |
69.6788 |
85.3343 |
103.1773 |
108.6479 |
113.5436 |
119.4139 |
123.5217 |
87 |
56.7769 |
59.2790 |
63.0894 |
66.4979 |
70.5810 |
86.3342 |
104.2750 |
109.7733 |
114.6929 |
120.5910 |
124.7177 |
88 |
57.5823 |
60.1030 |
63.9409 |
67.3732 |
71.4838 |
87.3342 |
105.3722 |
110.8980 |
115.8414 |
121.7671 |
125.9125 |
89 |
58.3888 |
60.9281 |
64.7934 |
68.2493 |
72.3872 |
88.3342 |
106.4689 |
112.0220 |
116.9891 |
122.9422 |
127.1063 |
90 |
59.1963 |
61.7541 |
65.6466 |
69.1260 |
73.2911 |
89.3342 |
107.5650 |
113.1453 |
118.1359 |
124.1163 |
128.2989 |
91 |
60.0049 |
62.5811 |
66.5007 |
70.0035 |
74.1955 |
90.3342 |
108.6606 |
114.2679 |
119.2819 |
125.2895 |
129.4905 |
92 |
60.8146 |
63.4090 |
67.3556 |
70.8816 |
75.1005 |
91.3342 |
109.7556 |
115.3898 |
120.4271 |
126.4617 |
130.6811 |
93 |
61.6253 |
64.2379 |
68.2112 |
71.7603 |
76.0060 |
92.3342 |
110.8502 |
116.5110 |
121.5715 |
127.6329 |
131.8706 |
94 |
62.4370 |
65.0677 |
69.0677 |
72.6398 |
76.9119 |
93.3342 |
111.9442 |
117.6317 |
122.7151 |
128.8032 |
133.0591 |
95 |
63.2496 |
65.8984 |
69.9249 |
73.5198 |
77.8184 |
94.3342 |
113.0377 |
118.7516 |
123.8580 |
129.9727 |
134.2465 |
96 |
64.0633 |
66.7299 |
70.7828 |
74.4005 |
78.7254 |
95.3342 |
114.1307 |
119.8709 |
125.0001 |
131.1412 |
135.4330 |
97 |
64.8780 |
67.5624 |
71.6415 |
75.2819 |
79.6329 |
96.3342 |
115.2232 |
120.9896 |
126.1414 |
132.3089 |
136.6186 |
98 |
65.6936 |
68.3957 |
72.5009 |
76.1638 |
80.5408 |
97.3341 |
116.3153 |
122.1077 |
127.2821 |
133.4757 |
137.8032 |
99 |
66.5101 |
69.2299 |
73.3611 |
77.0463 |
81.4493 |
98.3341 |
117.4069 |
123.2252 |
128.4220 |
134.6416 |
138.9868 |
100 |
67.3276 |
70.0649 |
74.2219 |
77.9295 |
82.3581 |
99.3341 |
118.4980 |
124.3421 |
129.5612 |
135.8067 |
140.1695 |