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α
0.9950.990.9750.950.90.10.050.025 df
10.000040.000160.0010.0040.016 2.706 3.841 5.024
20.010.020.0510.1030.211 4.605 5.9917.378
30.0720.1150.2160.3520.584 6.2517.8159.348
40.2070.2970.4840.711 1.0647.7799.48811.143
50.4120.5540.831 1.145 1.619.23611.0712.833
60.6760.872 1.237 1.635 2.20410.64512.59214.449
70.989 1.239 1.69 2.167 2.83312.01714.06716.013
8 1.344 1.646 2.18 2.733 3.4913.36215.50717.535
9 1.735 2.088 2.7 3.325 4.16814.68416.91919.023
10 2.156 2.558 3.247 3.94 4.86515.98718.30720.483
11 2.603 3.053 3.816 4.575 5.57817.27519.67521.92
12 3.074 3.571 4.404 5.226 6.30418.54921.02623.337
13 3.565 4.107 5.009 5.8927.04219.81222.36224.736
14 4.075 4.66 5.629 6.5717.7921.06423.68526.119
15 4.601 5.229 6.2627.2618.54722.30724.99627.488
16 5.142 5.812 6.9087.9629.31223.54226.29628.845
0.010.005
6.635
7.879 9.2110.597 11.34512.838 13.27714.86
15.08616.75
16.81218.548 18.47520.278
20.0921.955
21.66623.589
23.20925.188
24.72526.757
26.21728.3
27.68829.819
29.14131.319
30.57832.801 3234.267