שטח הזנב הימני עבור התפלגות חי-בריבוע
| df\area |
.995 |
.990 |
.975 |
.950 |
.900 |
.750 |
.500 |
.250 |
.100 |
.050 |
.025 |
.010 |
.005 |
| 1 |
0.00004 |
0.00016 |
0.00098 |
0.00393 |
0.01579 |
0.10153 |
0.45494 |
1.32330 |
2.70554 |
3.84146 |
5.02389 |
6.63490 |
7.87944 |
| 2 |
0.01003 |
0.02010 |
0.05064 |
0.10259 |
0.21072 |
0.57536 |
1.38629 |
2.77259 |
4.60517 |
5.99146 |
7.37776 |
9.21034 |
10.59663 |
| 3 |
0.07172 |
0.11483 |
0.21580 |
0.35185 |
0.58437 |
1.21253 |
2.36597 |
4.10834 |
6.25139 |
7.81473 |
9.34840 |
11.34487 |
12.83816 |
| 4 |
0.20699 |
0.29711 |
0.48442 |
0.71072 |
1.06362 |
1.92256 |
3.35669 |
5.38527 |
7.77944 |
9.48773 |
11.14329 |
13.27670 |
14.86026 |
| 5 |
0.41174 |
0.55430 |
0.83121 |
1.14548 |
1.61031 |
2.67460 |
4.35146 |
6.62568 |
9.23636 |
11.07050 |
12.83250 |
15.08627 |
16.74960 |
| |
| 6 |
0.67573 |
0.87209 |
1.23734 |
1.63538 |
2.20413 |
3.45460 |
5.34812 |
7.84080 |
10.64464 |
12.59159 |
14.44938 |
16.81189 |
18.54758 |
| 7 |
0.98926 |
1.23904 |
1.68987 |
2.16735 |
2.83311 |
4.25485 |
6.34581 |
9.03715 |
12.01704 |
14.06714 |
16.01276 |
18.47531 |
20.27774 |
| 8 |
1.34441 |
1.64650 |
2.17973 |
2.73264 |
3.48954 |
5.07064 |
7.34412 |
10.21885 |
13.36157 |
15.50731 |
17.53455 |
20.09024 |
21.95495 |
| 9 |
1.73493 |
2.08790 |
2.70039 |
3.32511 |
4.16816 |
5.89883 |
8.34283 |
11.38875 |
14.68366 |
16.91898 |
19.02277 |
21.66599 |
23.58935 |
| 10 |
2.15586 |
2.55821 |
3.24697 |
3.94030 |
4.86518 |
6.73720 |
9.34182 |
12.54886 |
15.98718 |
18.30704 |
20.48318 |
23.20925 |
25.18818 |
| |
| 11 |
2.60322 |
3.05348 |
3.81575 |
4.57481 |
5.57778 |
7.58414 |
10.34100 |
13.70069 |
17.27501 |
19.67514 |
21.92005 |
24.72497 |
26.75685 |
| 12 |
3.07382 |
3.57057 |
4.40379 |
5.22603 |
6.30380 |
8.43842 |
11.34032 |
14.84540 |
18.54935 |
21.02607 |
23.33666 |
26.21697 |
28.29952 |
| 13 |
3.56503 |
4.10692 |
5.00875 |
5.89186 |
7.04150 |
9.29907 |
12.33976 |
15.98391 |
19.81193 |
22.36203 |
24.73560 |
27.68825 |
29.81947 |
| 14 |
4.07467 |
4.66043 |
5.62873 |
6.57063 |
7.78953 |
10.16531 |
13.33927 |
17.11693 |
21.06414 |
23.68479 |
26.11895 |
29.14124 |
31.31935 |
| 15 |
4.60092 |
5.22935 |
6.26214 |
7.26094 |
8.54676 |
11.03654 |
14.33886 |
18.24509 |
22.30713 |
24.99579 |
27.48839 |
30.57791 |
32.80132 |
| |
| 16 |
5.14221 |
5.81221 |
6.90766 |
7.96165 |
9.31224 |
11.91222 |
15.33850 |
19.36886 |
23.54183 |
26.29623 |
28.84535 |
31.99993 |
34.26719 |
| 17 |
5.69722 |
6.40776 |
7.56419 |
8.67176 |
10.08519 |
12.79193 |
16.33818 |
20.48868 |
24.76904 |
27.58711 |
30.19101 |
33.40866 |
35.71847 |
| 18 |
6.26480 |
7.01491 |
8.23075 |
9.39046 |
10.86494 |
13.67529 |
17.33790 |
21.60489 |
25.98942 |
28.86930 |
31.52638 |
34.80531 |
37.15645 |
| 19 |
6.84397 |
7.63273 |
8.90652 |
10.11701 |
11.65091 |
14.56200 |
18.33765 |
22.71781 |
27.20357 |
30.14353 |
32.85233 |
36.19087 |
38.58226 |
| 20 |
7.43384 |
8.26040 |
9.59078 |
10.85081 |
12.44261 |
15.45177 |
19.33743 |
23.82769 |
28.41198 |
31.41043 |
34.16961 |
37.56623 |
39.99685 |
| |
| 21 |
8.03365 |
8.89720 |
10.28290 |
11.59131 |
13.23960 |
16.34438 |
20.33723 |
24.93478 |
29.61509 |
32.67057 |
35.47888 |
38.93217 |
41.40106 |
| 22 |
8.64272 |
9.54249 |
10.98232 |
12.33801 |
14.04149 |
17.23962 |
21.33704 |
26.03927 |
30.81328 |
33.92444 |
36.78071 |
40.28936 |
42.79565 |
| 23 |
9.26042 |
10.19572 |
11.68855 |
13.09051 |
14.84796 |
18.13730 |
22.33688 |
27.14134 |
32.00690 |
35.17246 |
38.07563 |
41.63840 |
44.18128 |
| 24 |
9.88623 |
10.85636 |
12.40115 |
13.84843 |
15.65868 |
19.03725 |
23.33673 |
28.24115 |
33.19624 |
36.41503 |
39.36408 |
42.97982 |
45.55851 |
| 25 |
10.51965 |
11.52398 |
13.11972 |
14.61141 |
16.47341 |
19.93934 |
24.33659 |
29.33885 |
34.38159 |
37.65248 |
40.64647 |
44.31410 |
46.92789 |
| |
| 26 |
11.16024 |
12.19815 |
13.84390 |
15.37916 |
17.29188 |
20.84343 |
25.33646 |
30.43457 |
35.56317 |
38.88514 |
41.92317 |
45.64168 |
48.28988 |
| 27 |
11.80759 |
12.87850 |
14.57338 |
16.15140 |
18.11390 |
21.74940 |
26.33634 |
31.52841 |
36.74122 |
40.11327 |
43.19451 |
46.96294 |
49.64492 |
| 28 |
12.46134 |
13.56471 |
15.30786 |
16.92788 |
18.93924 |
22.65716 |
27.33623 |
32.62049 |
37.91592 |
41.33714 |
44.46079 |
48.27824 |
50.99338 |
| 29 |
13.12115 |
14.25645 |
16.04707 |
17.70837 |
19.76774 |
23.56659 |
28.33613 |
33.71091 |
39.08747 |
42.55697 |
45.72229 |
49.58788 |
52.33562 |
| 30 |
13.78672 |
14.95346 |
16.79077 |
18.49266 |
20.59923 |
24.47761 |
29.33603 |
34.79974 |
40.25602 |
43.77297 |
46.97924 |
50.89218 |
53.67196 |