-распределение. Распределение Пирсона.
В таблице приведены значения квантилей Χ2 1-α (m) в зависимости от числа степеней свободы m и вероятности α
m/α
0,99
0,98
0,95
0,90
0,80
0,20
0,10
0,05
0,02
0,01
0,001
1
0,00016
0,00063
0,00393
0,0158
0,0642
1,642
2,706
3,841
5,412
6,635
10,827
2
0,0201
0,0404
0,103
0,211
0,446
3,219
4,605
5,991
7,824
9,210
13,815
3
0,115
0,185
0,352
0,584
1,005
4,642
6,251
7,815
9,837
11,341
16,268
4
0,297
0,429
0,711
1,064
1,649
5,989
7,779
9,488
11,668
13,277
18,465
5
0,554
0,752
1,145
1,610
2,343
7,289
9,236
11,070
13,388
15,086
20,517
6
0,872
1,134
1,635
2,204
3,070
8,558
10,645
12,592
15,033
16,812
22,457
7
1,239
1,564
2,167
2,833
3,822
9,803
12,017
14,067
16,622
18,475
24,322
8
1,646
2,032
2,733
3,490
4,594
11,030
13,362
15,507
18,679
20,090
26,125
9
2,088
2,532
3,325
4,168
5,380
12,242
14,684
16,919
19,679
21,666
27,877
10
2,588
3,059
3,940
4,865
6,179
13,442
15,987
18,307
21,161
23,209
29,588
11
3,053
3,609
4,575
5,578
6,989
14,631
17,275
19,675
22,618
24,725
31,264
12
3,571
4,178
5,226
6,304
7,807
15,812
18,549
21,026
24,054
26,217
32,909
13
4,107
4,765
5,892
7,042
8,634
16,985
19,812
22,362
25,472
27,688
34,528
14
4,660
5,368
6,571
7,790
9,467
18,151
21,064
23,685
26,873
29,141
36,123
15
5,229
5,985
7,262
8,547
10,307
19,311
22,307
24,996
28,259
30,578
37,697
16
5,812
6,614
7,962
9,312
11,152
20,465
23,542
26,296
29,633
32,000
39,252
17
6,408
7,255
8,672
10,085
12,002
21,615
24,769
27,587
30,995
33,409
40,790
18
7,015
7,906
9,390
10,865
12,857
22,760
25,989
28,869
32,346
34,805
42,312
19
7,633
8,567
10,117
11,651
13,716
23,900
27,204
30,144
33,687
36,191
43,820
20
8,260
9,237
10,851
12,443
14,578
25,038
28,412
31,410
35,020
37,566
45,315
21
8,897
9,915
11,591
13,240
15,445
26,171
29,615
32,671
36,343
38,932
46,797
22
9,542
10,600
12,338
14,041
16,314
27,301
30,813
33,924
37,659
40,289
48,268
23
10,196
11,298
13,091
14,848
17,187
28,429
32,007
35,172
38,968
41,638
49,728
24
10,856
11,992
13,848
15,659
18,062
29,553
33,196
36,415
40,270
42,980
51,179
25
11,542
12,697
14,611
16,473
18,940
30,675
34,382
37,652
41,566
44,314
52,620
26
12,198
13,409
15,379
17,292
19,820
31,795
35,563
38,885
42,856
45,642
54,052
27
12,879
14,125
16,151
18,114
20,703
32,912
86,741
40,113
44,140
46,963
55,476
28
13,565
14,847
16,928
18,939
21,588
34,027
37,916
41,337
45,419
48,278
56,893
29
14,256
15,574
17,708
19,768
22,475
35,139
39,087
42,557
46,693
49,588
58,302
30
14,953
16,306
18,493
20,599
23,364
36,250
40,256
43,773
47,962
50,892
59,703