Como se utiliza la tabla t de student (formulas)

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α,vt

(
!
%
%
g.ll. 0.55 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 0.975 0.99 0.995
1 0.15838 0.32492 0.50953 0.72654 1. 1.3764 1.9626 3.0777 6.3138 12.706 31.821 63.657
2 0.14213 0.28868 0.44475 0.61721 0.8165 1.0607 1.3862 1.8856 2.92 4.3027 6.9646 9.9248
3 0.1366 0.27667 0.4242 0.58439 0.76489 0.97847 1.2498 1.6377 2.3534 3.1824 4.5407 5.8409
4 0.13383 0.27072 0.41416 0.56865 0.7407 0.94096 1.1896 1.5332 2.1318 2.7764 3.7469 4.6041
5 0.13218 0.26718 0.40823 0.55943 0.72669 0.91954 1.1558 1.4759 2.015 2.5706 3.3649 4.0321
6 0.13108 0.26483 0.40431 0.55338 0.71756 0.9057 1.1342 1.4398 1.9432 2.4469 3.1427 3.7074
7 0.13029 0.26317 0.40154 0.54911 0.71114 0.89603 1.1192 1.4149 1.8946 2.3646 2.998 3.4995
8 0.12971 0.26192 0.39947 0.54593 0.70639 0.88889 1.1081 1.3968 1.8595 2.306 2.8965 3.3554
9 0.12925 0.26096 0.39787 0.54348 0.70272 0.8834 1.0997 1.383 1.8331 2.2622 2.8214 3.2498
10 0.12889 0.26018 0.39659 0.54153 0.69981 0.87906 1.0931 1.3722 1.8125 2.2281 2.7638 3.1693
11 0.12859 0.25956 0.39555 0.53994 0.69745 0.87553 1.0877 1.3634 1.7959 2.201 2.7181 3.1058
12 0.12835 0.25903 0.39469 0.53862 0.69548 0.87261 1.0832 1.3562 1.7823 2.1788 2.681 3.0545
13 0.12814 0.25859 0.39396 0.5375 0.69383 0.87015 1.0795 1.3502 1.7709 2.1604 2.6503 3.0123
14 0.12796 0.25821 0.39333 0.53655 0.69242 0.86805 1.0763 1.345 1.7613 2.1448 2.6245 2.9768
15 0.12781 0.25789 0.39279 0.53573 0.6912 0.86624 1.0735 1.3406 1.7531 2.1314 2.6025 2.9467
16 0.12767 0.2576 0.39232 0.53501 0.69013 0.86467 1.0711 1.3368 1.7459 2.1199 2.5835 2.9208
17 0.12755 0.25735 0.3919 0.53438 0.6892 0.86328 1.069 1.3334 1.7396 2.1098 2.5669 2.8982
18 0.12745 0.25712 0.39153 0.53382 0.68836 0.86205 1.0672 1.3304 1.7341 2.1009 2.5524 2.8784
19 0.12735 0.25692 0.3912 0.53331 0.68762 0.86095 1.0655 1.3277 1.7291 2.093 2.5395 2.8609
20 0.12727 0.25674 0.39091 0.53286 0.68695 0.85996 1.064 1.3253 1.7247 2.086 2.528 2.8453
21 0.12719 0.25658 0.39064 0.53246 0.68635 0.85907 1.0627 1.3232 1.7207 2.0796 2.5176 2.8314
22 0.12712 0.25643 0.39039 0.53208 0.68581 0.85827 1.0614 1.3212 1.7171 2.0739 2.5083 2.8188
23 0.12706 0.2563 0.39017 0.53175 0.68531 0.85753 1.0603 1.3195 1.7139 2.0687 2.4999 2.8073
24 0.127 0.25617 0.38997 0.53144 0.68485 0.85686 1.0593 1.3178 1.7109 2.0639 2.4922 2.7969
25 0.12694 0.25606 0.38978 0.53115 0.68443 0.85624 1.0584 1.3163 1.7081 2.0595 2.4851 2.7874
26 0.12689 0.25595 0.38961 0.53089 0.68404 0.85567 1.0575 1.315 1.7056 2.0555 2.4786 2.7787
27 0.12685 0.25586 0.38945 0.53065 0.68368 0.85514 1.0567 1.3137 1.7033 2.0518 2.4727 2.7707
28 0.12681 0.25577 0.3893 0.53042 0.68335 0.85465 1.056 1.3125 1.7011 2.0484 2.4671 2.7633

(
!
) " *% "
+,* -+.*
g.ll. 0.55 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 0.975 0.99 0.995
1 0.15838 0.32492 0.50953 0.72654 1. 1.3764 1.9626 3.0777 6.3138 12.706 31.821 63.657
2 0.14213 0.28868 0.44475 0.61721 0.8165 1.0607 1.3862 1.8856 2.92 4.3027 6.9646 9.9248
3 0.1366 0.27667 0.4242 0.58439 0.76489 0.97847 1.2498 1.6377 2.3534 3.1824 4.5407 5.8409
4 0.13383 0.27072 0.41416 0.56865 0.7407 0.94096 1.1896 1.5332 2.1318 2.7764 3.7469 4.6041
5 0.13218 0.26718 0.40823 0.55943 0.72669 0.91954 1.1558 1.4759 2.015 2.5706 3.3649 4.0321
6 0.13108 0.26483 0.40431 0.55338 0.71756 0.9057 1.1342 1.4398 1.9432 2.4469 3.1427 3.7074
7 0.13029 0.26317 0.40154 0.54911 0.71114 0.89603 1.1192 1.4149 1.8946 2.3646 2.998 3.4995
8 0.12971 0.26192 0.39947 0.54593 0.70639 0.88889 1.1081 1.3968 1.8595 2.306 2.8965 3.3554
9 0.12925 0.26096 0.39787 0.54348 0.70272 0.8834 1.0997 1.383 1.8331 2.2622 2.8214 3.2498
10 0.12889 0.26018 0.39659 0.54153 0.69981 0.87906 1.0931 1.3722 1.8125 2.2281 2.7638 3.1693
11 0.12859 0.25956 0.39555 0.53994 0.69745 0.87553 1.0877 1.3634 1.7959 2.201 2.7181 3.1058
12 0.12835 0.25903 0.39469 0.53862 0.69548 0.87261 1.0832 1.3562 1.7823 2.1788 2.681 3.0545
13 0.12814 0.25859 0.39396 0.5375 0.69383 0.87015 1.0795 1.3502 1.7709 2.1604 2.6503 3.0123
14 0.12796 0.25821 0.39333 0.53655 0.69242 0.86805 1.0763 1.345 1.7613 2.1448 2.6245 2.9768
15 0.12781 0.25789 0.39279 0.53573 0.6912 0.86624 1.0735 1.3406 1.7531 2.1314 2.6025 2.9467
16 0.12767 0.2576 0.39232 0.53501 0.69013 0.86467 1.0711 1.3368 1.7459 2.1199 2.5835 2.9208
17 0.12755 0.25735 0.3919 0.53438 0.6892 0.86328 1.069 1.3334 1.7396 2.1098 2.5669 2.8982
18 0.12745 0.25712 0.39153 0.53382 0.68836 0.86205 1.0672 1.3304 1.7341 2.1009 2.5524 2.8784
19 0.12735 0.25692 0.3912 0.53331 0.68762 0.86095 1.0655 1.3277 1.7291 2.093 2.5395 2.8609
20 0.12727 0.25674 0.39091 0.53286 0.68695 0.85996 1.064 1.3253 1.7247 2.086 2.528 2.8453
21 0.12719 0.25658 0.39064 0.53246 0.68635 0.85907 1.0627 1.3232 1.7207 2.0796 2.5176 2.8314
22 0.12712 0.25643 0.39039 0.53208 0.68581 0.85827 1.0614 1.3212 1.7171 2.0739 2.5083 2.8188
23 0.12706 0.2563 0.39017 0.53175 0.68531 0.85753 1.0603 1.3195 1.7139 2.0687 2.4999 2.8073
24 0.127 0.25617 0.38997 0.53144 0.68485 0.85686 1.0593 1.3178 1.7109 2.0639 2.4922 2.7969
25 0.12694 0.25606 0.38978 0.53115 0.68443 0.85624 1.0584 1.3163 1.7081 2.0595 2.4851 2.7874
26 0.12689 0.25595 0.38961 0.53089 0.68404 0.85567 1.0575 1.315 1.7056 2.0555 2.4786 2.7787
27 0.12685 0.25586 0.38945 0.53065 0.68368 0.85514 1.0567 1.3137 1.7033 2.0518 2.4727 2.7707
28 0.12681 0.25577 0.3893 0.53042 0.68335 0.85465 1.056 1.3125 1.7011 2.0484 2.4671 2.7633

*+%
% & +".!
*+% "
& +".!
20 0.12727 0.25674 0.39091 0.53286 0.68695 0.85996 1.064 1.3253 1.7247 2.086 2.528 2.8453
21 0.12719 0.25658 0.39064 0.53246 0.68635 0.85907 1.0627 1.3232 1.7207 2.0796 2.5176 2.8314
22 0.12712 0.25643 0.39039 0.53208 0.68581 0.85827 1.0614 1.3212 1.7171 2.0739 2.5083 2.8188
23 0.12706 0.2563 0.39017 0.53175 0.68531 0.85753 1.0603 1.3195 1.7139 2.0687 2.4999 2.8073
24 0.127 0.25617 0.38997 0.53144 0.68485 0.85686 1.0593 1.3178 1.7109 2.0639 2.4922 2.7969
25 0.12694 0.25606 0.38978 0.53115 0.68443 0.85624 1.0584 1.3163 1.7081 2.0595 2.4851 2.7874
26 0.12689 0.25595 0.38961 0.53089 0.68404 0.85567 1.0575 1.315 1.7056 2.0555 2.4786 2.7787
27 0.12685 0.25586 0.38945 0.53065 0.68368 0.85514 1.0567 1.3137 1.7033 2.0518 2.4727 2.7707
28 0.12681 0.25577 0.3893 0.53042 0.68335 0.85465 1.056 1.3125 1.7011 2.0484 2.4671 2.7633
29 0.12677 0.25568 0.38916 0.53021 0.68304 0.85419 1.0553 1.3114 1.6991 2.0452 2.462 2.7564
30 0.12673 0.25561 0.38903 0.53002 0.68276 0.85377 1.0547 1.3104 1.6973 2.0423 2.4573 2.75
31 0.1267 0.25553 0.38891 0.52984 0.68249 0.85337 1.0541 1.3095 1.6955 2.0395 2.4528 2.744
32 0.12666 0.25546 0.3888 0.52967 0.68223 0.853 1.0535 1.3086 1.6939 2.0369 2.4487 2.7385
33 0.12663 0.2554 0.38869 0.5295 0.682 0.85265 1.053 1.3077 1.6924 2.0345 2.4448 2.7333
34 0.1266 0.25534 0.38859 0.52935 0.68177 0.85232 1.0525 1.307 1.6909 2.0322 2.4411 2.7284
35 0.12658 0.25528 0.3885 0.52921 0.68156 0.85201 1.052 1.3062 1.6896 2.0301 2.4377 2.7238
36 0.12655 0.25523 0.38841 0.52908 0.68137 0.85172 1.0516 1.3055 1.6883 2.0281 2.4345 2.7195
37 0.12653 0.25518 0.38833 0.52895 0.68118 0.85144 1.0512 1.3049 1.6871 2.0262 2.4314 2.7154
38 0.1265 0.25513 0.38825 0.52883 0.681 0.85118 1.0508 1.3042 1.686 2.0244 2.4286 2.7116
39 0.12648 0.25508 0.38817 0.52871 0.68083 0.85094 1.0504 1.3036 1.6849 2.0227 2.4258 2.7079
40 0.12646 0.25504 0.3881 0.52861 0.68067 0.8507 1.05 1.3031 1.6839 2.0211 2.4233 2.7045
41 0.12644 0.255 0.38803 0.5285 0.68052 0.85048 1.0497 1.3025 1.6829 2.0195 2.4208 2.7012
42 0.12642 0.25496 0.38797 0.5284 0.68038 0.85026 1.0494 1.302 1.682 2.0181 2.4185 2.6981
43 0.12641 0.25492 0.38791 0.52831 0.68024 0.85006 1.0491 1.3016 1.6811 2.0167 2.4163 2.6951
44 0.12639 0.25488 0.38785 0.52822 0.68011 0.84987 1.0488 1.3011 1.6802 2.0154 2.4141 2.6923
45 0.12637 0.25485 0.38779 0.52814 0.67998 0.84968 1.0485 1.3006 1.6794 2.0141 2.4121 2.6896
46 0.12636 0.25482 0.38774 0.52805 0.67986 0.84951 1.0483 1.3002 1.6787 2.0129 2.4102 2.687
47 0.12634 0.25479 0.38768 0.52798 0.67975 0.84934 1.048 1.2998 1.6779 2.0117 2.4083 2.6846
48 0.12633 0.25476 0.38763 0.5279 0.67964 0.84917 1.0478 1.2994 1.6772 2.0106 2.4066 2.6822
49 0.12631 0.25473 0.38759 0.52783 0.67953 0.84902 1.0475 1.2991 1.6766 2.0096 2.4049 2.68
50 0.1263 0.2547 0.38754 0.52776 0.67943 0.84887 1.0473 1.2987 1.6759 2.0086 2.4033 2.6778

+,*
+,/*"0 .1α!2+,*
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3 4" .-% "
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g.ll. 0.55 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 0.975 0.99 0.995
1 0.15838 0.32492 0.50953 0.72654 1. 1.3764 1.9626 3.0777 6.3138 12.706 31.821 63.657
2 0.14213 0.28868 0.44475 0.61721 0.8165 1.0607 1.3862 1.8856 2.92 4.3027 6.9646 9.9248
3 0.1366 0.27667 0.4242 0.58439 0.76489 0.97847 1.2498 1.6377 2.3534 3.1824 4.5407 5.8409
4 0.13383 0.27072 0.41416 0.56865 0.7407 0.94096 1.1896 1.5332 2.1318 2.7764 3.7469 4.6041
5 0.13218 0.26718 0.40823 0.55943 0.72669 0.91954 1.1558 1.4759 2.015 2.5706 3.3649 4.0321
6 0.13108 0.26483 0.40431 0.55338 0.71756 0.9057 1.1342 1.4398 1.9432 2.4469 3.1427 3.7074
7 0.13029 0.26317 0.40154 0.54911 0.71114 0.89603 1.1192 1.4149 1.8946 2.3646 2.998 3.4995
8 0.12971 0.26192 0.39947 0.54593 0.70639 0.88889 1.1081 1.3968 1.8595 2.306 2.8965 3.3554
9 0.12925 0.26096 0.39787 0.54348 0.70272 0.8834 1.0997 1.383 1.8331 2.2622 2.8214 3.2498
10 0.12889 0.26018 0.39659 0.54153 0.69981 0.87906 1.0931 1.3722 1.8125 2.2281 2.7638 3.1693
11 0.12859 0.25956 0.39555 0.53994 0.69745 0.87553 1.0877 1.3634 1.7959 2.201 2.7181 3.1058
12 0.12835 0.25903 0.39469 0.53862 0.69548 0.87261 1.0832 1.3562 1.7823 2.1788 2.681 3.0545
13 0.12814 0.25859 0.39396 0.5375 0.69383 0.87015 1.0795 1.3502 1.7709 2.1604 2.6503 3.0123
14 0.12796 0.25821 0.39333 0.53655 0.69242 0.86805 1.0763 1.345 1.7613 2.1448 2.6245 2.9768
15 0.12781 0.25789 0.39279 0.53573 0.6912 0.86624 1.0735 1.3406 1.7531 2.1314 2.6025 2.9467
16 0.12767 0.2576 0.39232 0.53501 0.69013 0.86467 1.0711 1.3368 1.7459 2.1199 2.5835 2.9208
17 0.12755 0.25735 0.3919 0.53438 0.6892 0.86328 1.069 1.3334 1.7396 2.1098 2.5669 2.8982
18 0.12745 0.25712 0.39153 0.53382 0.68836 0.86205 1.0672 1.3304 1.7341 2.1009 2.5524 2.8784
19 0.12735 0.25692 0.3912 0.53331 0.68762 0.86095 1.0655 1.3277 1.7291 2.093 2.5395 2.8609
20 0.12727 0.25674 0.39091 0.53286 0.68695 0.85996 1.064 1.3253 1.7247 2.086 2.528 2.8453

Como se utiliza la tabla t de student (formulas)

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