(If x2 calculated is greater than value shown at the predetermined confidence level, reject null hypothesis.)
PROBABILITY UNDER HO THAT X2 ≥ CHI SQUARE | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
df | .99 | .98 | .95 | .90 | .80 | .70 | .50 | .30 | .20 | .10 | .05 | .02 | .01 | .001 |
1 | .00016 | .00063 | .0039 | .016 | .064 | .15 | .46 | 1.07 | 1.64 | 2.71 | 3.84 | 5.41 | 6.64 | 10.83 |
2 | .02 | .04 | .10 | .21 | .45 | .71 | 1.39 | 2.41 | 3.22 | 4.60 | 5.99 | 7.82 | 9.21 | 13.82 |
3 | .12 | .18 | .35 | .58 | 1.00 | 1.42 | 2.37 | 3.66 | 4.64 | 6.25 | 7.82 | 9.84 | 11.34 | 16.27 |
4 | .30 | .43 | .71 | 1.06 | 1.65 | 2.20 | 3.36 | 4.88 | 5.99 | 7.78 | 9.49 | 11.67 | 13.28 | 18.46 |
5 | .55 | .75 | 1.14 | 1.61 | 2.34 | 3.00 | 4.35 | 6.06 | 7.29 | 9.24 | 11.07 | 13.39 | 15.09 | 20.52 |
6 | .87 | 1.13 | 1.64 | 2.20 | 3.07 | 3.83 | 5.35 | 7.23 | 8.56 | 10.64 | 12.59 | 15.03 | 16.81 | 22.46 |
7 | 1.24 | 1.56 | 2.17 | 2.83 | 3.82 | 4.67 | 6.35 | 8.38 | 9.80 | 12.02 | 14.07 | 16.62 | 18.48 | 24.32 |
8 | 1.65 | 2.03 | 2.73 | 3.49 | 4.59 | 5.53 | 7.34 | 9.52 | 11.03 | 13.36 | 15.51 | 18.17 | 20.09 | 26.12 |
9 | 2.09 | 2.53 | 3.32 | 4.17 | 5.38 | 6.39 | 8.34 | 10.66 | 12.24 | 14.68 | 16.92 | 19.68 | 21.67 | 27.88 |
10 | 2.56 | 3.06 | 3.94 | 4.86 | 6.18 | 7.27 | 9.34 | 11.78 | 13.44 | 15.99 | 18.31 | 21.16 | 23.21 | 29.59 |
11 | 3.05 | 3.61 | 4.58 | 5.58 | 6.99 | 8.15 | 10.34 | 12.90 | 14.63 | 17.28 | 19.68 | 22.62 | 24.72 | 31.26 |
12 | 3.57 | 4.18 | 5.23 | 6.30 | 7.81 | 9.03 | 11.34 | 14.01 | 15.81 | 18.55 | 21.03 | 24.05 | 26.22 | 32.91 |
13 | 4.11 | 4.76 | 5.89 | 7.04 | 8.63 | 9.93 | 12.34 | 15.12 | 16.98 | 19.81 | 22.36 | 25.47 | 27.69 | 34.53 |
14 | 4.66 | 5.37 | 6.57 | 7.79 | 9.47 | 10.82 | 13.34 | 16.22 | 18.15 | 21.06 | 23.68 | 26.87 | 29.14 | 36.12 |
15 | 5.23 | 5.98 | 7.26 | 8.55 | 10.31 | 11.72 | 14.34 | 17.32 | 19.31 | 22.31 | 25.00 | 28.26 | 30.58 | 37.70 |
16 | 5.81 | 6.61 | 7.96 | 9.31 | 11.15 | 12.62 | 15.34 | 18.42 | 20.46 | 23.54 | 26.30 | 29.63 | 32.00 | 39.29 |
17 | 6.41 | 7.26 | 8.67 | 10.08 | 12.00 | 13.53 | 16.34 | 19.51 | 21.62 | 24.77 | 27.59 | 31.00 | 33.41 | 40.75 |
18 | 7.02 | 7.91 | 9.39 | 10.86 | 12.86 | 14.44 | 17.34 | 20.60 | 22.76 | 25.99 | 28.87 | 32.35 | 34.80 | 42.31 |
19 | 7.63 | 8.57 | 10.12 | 11.65 | 13.72 | 15.35 | 18.34 | 21.69 | 23.90 | 27.20 | 30.14 | 33.69 | 36.19 | 43.82 |
20 | 8.26 | 9.24 | 10.85 | 12.44 | 14.58 | 16.27 | 19.34 | 22.78 | 25.04 | 28.41 | 31.41 | 35.02 | 37.57 | 45.32 |
21 | 8.90 | 9.92 | 11.59 | 13.24 | 15.44 | 17.18 | 20.34 | 23.86 | 26.17 | 29.62 | 32.67 | 36.34 | 38.93 | 46.80 |
22 | 9.54 | 10.60 | 12.34 | 14.04 | 16.31 | 18.10 | 21.24 | 24.94 | 27.30 | 30.81 | 33.92 | 37.66 | 40.29 | 48.27 |
23 | 10.20 | 11.29 | 13.09 | 14.85 | 17.19 | 19.02 | 22.34 | 26.02 | 28.43 | 32.01 | 35.17 | 38.97 | 41.64 | 49.73 |
24 | 10.86 | 11.99 | 13.85 | 15.66 | 18.06 | 19.94 | 23.34 | 27.10 | 29.55 | 33.20 | 36.42 | 40.27 | 42.98 | 51.18 |
25 | 11.52 | 12.70 | 14.61 | 16.47 | 18.94 | 20.87 | 24.34 | 28.17 | 30.68 | 34.38 | 37.65 | 41.57 | 44.31 | 52.62 |
26 | 12.20 | 13.41 | 15.38 | 17.29 | 19.82 | 21.79 | 25.34 | 29.25 | 31.80 | 35.56 | 38.88 | 42.86 | 45.64 | 54.05 |
27 | 12.88 | 14.12 | 16.15 | 18.11 | 20.70 | 22.72 | 26.34 | 30.32 | 32.91 | 36.74 | 40.11 | 44.14 | 46.96 | 55.48 |
28 | 13.56 | 14.85 | 16.93 | 18.94 | 21.59 | 23.65 | 27.34 | 31.39 | 34.03 | 37.92 | 41.34 | 45.42 | 48.28 | 56.89 |
29 | 14.26 | 15.57 | 17.71 | 19.77 | 22.48 | 24.58 | 28.34 | 32.46 | 35.14 | 39.09 | 42.56 | 46.69 | 49.59 | 58.30 |
30 | 14.95 | 16.31 | 18.49 | 20.60 | 23.36 | 25.51 | 29.34 | 33.53 | 36.25 | 40.26 | 43.77 | 47.96 | 50.89 | 59.70 |