From: Statistics review 8: Qualitative data – tests of association
χ2 values for the probabilities (P) | ||||
---|---|---|---|---|
Degrees of freedom | 0.1 | 0.05 | 0.01 | 0.001 |
1 | 2.71 | 3.84 | 6.63 | 10.83 |
2 | 4.61 | 5.99 | 9.21 | 13.82 |
3 | 6.25 | 7.81 | 11.34 | 16.27 |
4 | 7.78 | 9.49 | 13.28 | 18.47 |
5 | 9.24 | 11.07 | 15.09 | 20.52 |
6 | 10.64 | 12.59 | 16.81 | 22.46 |
7 | 12.02 | 14.07 | 18.48 | 24.32 |
8 | 13.36 | 15.51 | 20.09 | 26.12 |
9 | 14.68 | 16.92 | 21.67 | 27.88 |
10 | 15.99 | 18.31 | 23.21 | 29.59 |
11 | 17.28 | 19.68 | 24.72 | 31.26 |
12 | 18.55 | 21.03 | 26.22 | 32.91 |
13 | 19.81 | 22.36 | 27.69 | 34.53 |
14 | 21.06 | 23.68 | 29.14 | 36.12 |
15 | 22.31 | 25.00 | 30.58 | 37.70 |
16 | 23.54 | 26.30 | 32.00 | 39.25 |
17 | 24.77 | 27.59 | 33.41 | 40.79 |
18 | 25.99 | 28.87 | 34.81 | 42.31 |
19 | 27.20 | 30.14 | 36.19 | 43.82 |
20 | 28.41 | 31.41 | 37.57 | 45.31 |
25 | 34.38 | 37.65 | 44.31 | 52.62 |