X2分布表.doc

1- （给出自由度，和概率P，求或）

1-
0．01
0．02
0．05
0．10
0．20
0．30
0．50
0．70
0．80
0．90
0．95
0．98
0．99
0．999
1-

0.99
0.98
0.95
0.90
0.80
0.70
0.50
0.30
0.20
0.10
0.05
0.02
0.01
0.001

1
0.03157
0.03628
0.02393
0.0158
0.0642
0.148
0.455
1.074
1.642
2.706
3.841
5.412
6,635
10.828
1
2
0.0201
0.0404
0.103
0.211
0.446
0.713
1.386
2.408
3.219
4.605
5.991
7.824
9.210
13.816
2
3
0.115
0.185
0.352
0.584
1.005
1.424
2.366
3.665
4.642
6.251
7.815
9.837
11.345
16.266
3
4
0.297
0.429
0.711
1.064
1.649
2.195
3.357
4.878
5.989
7.779
9.488
11.668
12.277
18.467
4
5
0.554
0.752
1.145
1.610
2.343
3.000
4.351
6.064
7.289
9.236
11.070
13.388
15.068
20.515
5
6
0.872
1.134
1.635
2.204
3.070
3.828
5.348
7.231
8.558
10.645
12.592
15.033
16.812
22.458
6
7
1.239
1.564
2.167
2.833
3.822
4.671
6.346
8.383
9.803
12.017
14.067
16.622
18.475
24.322
7
8
1.646
2.032
2.733
3.490
4.597
5.527
7.344
9.524
11.030
13.362
15.507
18.168
20.090
26.125
8
9
2.088
2.532
3.325
4.168
5.380
6.393
8.343
10.656
12.242
14.684
16.919
19.679
21.666
27.877
9
10
2.558
3.059
3.946
4.865
6.179
7.267
9.342
11781
13.442
15.987
18.307
21.161
23.209
29.588
10
11
3.053
3.609
4.575
5.578
6.989
8.148
8.341
12.899
14.631
17.275
19.675
22.618
24.725
31.264
11
12
3.571
4.178
5.226
6.304
7.807
9.034
9.340
14.011
15.812
18.549
21.026
24.054
26.217
32.909
12
13
4.107
4.765
5.892
7.042
8.634
9.926
9.340
15.119
16.985
19.812
22.362
25.472
27.688
34.528
13
14
4.660
5.368
6.571
7.790
9.467
10.821
10.339
16.222
18.151
21.064
23.685
26.873
29.141
36.123
14
15
5.229
5.985
7.261
8.574
10.307
11.721
11.339
17.322
19.311
22.307
24.996
28.259
30.578
37.697
15

续上表:
1-

0.01
0.02
0.05
0.10
0.20
0.30
0.50
0.70
0.80
0.90
0.95
0.98
0.00
0.999
1-

0.99
0.98
0.95
0.90
0.80
0.70
0.50
0.30
0.20
0.10
0.05
0.02
0.01
0.001

16
5.812
6.614
7.962
9.312
11.152
12.624
15.338
18.418
20．465
23.5542
26.296
29.633
32.000
39.252
16
17
6.408
7.255
8.672
10.085
12.002
13.531
16.338
19.511
21．615
24.769
27.587
30.995
33.409
40.790
17
18
7.015
7.906
9.390
10.865
12.857
14.440
17.338
20.601
22．760
35.989
28.869
32.346
34.805
42.312
18
10
7.633
8.567
10.117
11.651
13.716
15.352
18.338
21.689
23．900
37.204
30.144
33.687
36.191
43.820
19
20
8.260
9.237
10.851
12.443
14.578
16.266
19.337
22.775
25．038
38.412
31.410
35.020
37.566
45.315
20
21
8.897
9.915
11.591
13.240
15.445
17.182
20.337
23.858
26171
29.615
32.671
36.343
38.932
46.797
21
22
9.542
10.600
12.338
14.041
16.314
18.101
21.337
24.939
27．301
30.813
33924
37.659
40.289
48.268
22
23
10.196
11.293
13.091
14.848
17.187
19.021
22.337
26.018
28．429
32.007
35.172
38.968
41.638
49.728
23
24
10.856
11.992
13.848
15.659
18.062
19.943
23.337
27.096
29．553
33.196
36.415
40.270
42.980
51.179
24
25
11.524
12.697
14.611
.16473
18.940
20.867
24.337
28.172
30.675
34.382
37.652
41.566
44.314
52.618
25
26
12.198
13.409
15.379
17.292
19.820
21.792
25.336
29.246
31.795
35.563
38.885
42.856
45.642
54.052
26
27
12.879
14.125
16.151
18.114
20.703
22.719
26.336
30.319
32.912
36.741
40.113
44.140
46.963
55.476
27
28
13.565
14.847
16.928
18.930
21.588
23647
27.336
31.391
34.027
37.916
41.337
45.419
48.278
56.893
28
29
14.256
15.574
17.708
19.768
22.475
24.577
28.336
32.461
35.139
39.087
42.557
46.693
49.588
58.301
29
30
14.953
16.306
18.493
20.599
23.364
25.508
29.336
33.530
36.250
40.256
43.773
47.962
50.892
59.703
30