..
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Valori percentuali (tp) per .========| .
la distribuzione di Student .==========| .
con v gradi di liberta' _.=============|____._
(area tratteggiata = p) tp
p
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v .995 .99 .975 .95 .90 .80 .75 .70 .60 .55
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1 63.66 31.82 12.71 6.31 3.08 1.376 1.000 .727 .325 .158
2 9.92 6.96 4.30 2.92 1.89 1.061 .816 .617 .289 .142
3 5.84 4.54 3.18 2.35 1.64 .978 .765 .584 .277 .137
4 4.60 3.75 2.78 2.13 1.53 .941 .741 .569 .271 .134
5 4.03 3.36 2.57 2.02 1.48 .920 .727 .559 .267 .132
6 3.71 3.14 2.45 1.94 1.44 .906 .718 .553 .265 .131
7 3.50 3.00 2.36 1.90 1.42 .896 .711 .549 .263 .130
8 3.36 2.90 2.31 1.86 1.40 .889 .706 .546 .262 .130
9 3.25 2.82 2.26 1.83 1.38 .883 .703 .543 .261 .129
10 3.17 2.76 2.23 1.81 1.37 .879 .700 .542 .260 .129
11 3.11 2.72 2.20 1.80 1.36 .876 .697 .540 .260 .129
12 3.06 2.68 2.18 1.78 1.36 .873 .695 .539 .259 .128
13 3.01 2.65 2.16 1.77 1.35 .870 .694 .538 .259 .128
14 2.98 2.62 2.14 1.76 1.34 .868 .692 .537 .258 .128
15 2.95 2.60 2.13 1.75 1.34 .866 .691 .536 .258 .128
16 2.92 2.58 2.12 1.75 1.34 .865 .690 .535 .258 .128
17 2.90 2.57 2.11 1.74 1.33 .863 .689 .534 .257 .128
18 2.88 2.55 2.10 1.73 1.33 .862 .688 .534 .257 .127
19 2.86 2.54 2.09 1.73 1.33 .861 .688 .533 .257 .127
20 2.84 2.53 2.09 1.72 1.32 .860 .687 .533 .257 .127
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v .995 .99 .975 .95 .90 .80 .75 .70 .60 .55
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21 2.83 2.52 2.08 1.72 1.32 .859 .686 .532 .257 .127
22 2.82 2.51 2.07 1.72 1.32 .858 .686 .532 .256 .127
23 2.81 2.50 2.07 1.71 1.32 .858 .685 .532 .256 .127
24 2.80 2.49 2.06 1.71 1.32 .857 .685 .531 .256 .127
25 2.79 2.48 2.06 1.71 1.32 .856 .684 .531 .256 .127
26 2.78 2.48 2.06 1.71 1.32 .856 .684 .531 .256 .127
27 2.77 2.47 2.05 1.70 1.31 .855 .684 .531 .256 .127
28 2.76 2.47 2.05 1.70 1.31 .855 .683 .530 .256 .127
29 2.76 2.46 2.04 1.70 1.31 .854 .683 .530 .256 .127
30 2.75 2.46 2.04 1.70 1.31 .854 .683 .530 .256 .127
40 2.70 2.42 2.02 1.68 1.30 .851 .681 .529 .255 .126
60 2.66 2.39 2.00 1.67 1.30 .848 .679 .527 .254 .126
120 2.62 2.36 1.98 1.66 1.29 .845 .677 .526 .254 .126
oo 2.58 2.33 1.96 1.645 1.28 .842 .674 .524 .253 .126
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