Estadística distribución t - ?? La tabla t ??
Video: Uso de la tabla t-student
Como una herramienta estadística, un t-tabla se enumeran los valores críticos para las pruebas de dos colas. A continuación, utiliza estos valores para determinar los valores de confianza. La siguiente t-tabla muestra grados de libertad para percentiles seleccionados de la 90a a la 99a:
Grados de libertad | Percentil 90 (a = 0,10) | 95a percentil (a = 0,05) | 97,5 percentil (a = 0,025) | 98a percentil (a = 0,02) | 99a percentil (a = 0,01) |
---|---|---|---|---|---|
1 | 3,078 | 6,314 | 12.706 | 31.821 | 63.657 |
2 | 1,886 | 2.920 | 4.303 | 6,965 | 9,925 |
3 | 1,638 | 2,353 | 3.182 | 4.541 | 5,841 |
4 | 1,333 | 2.132 | 2,776 | 3,747 | 4,604 |
5 | 1.476 | 2.015 | 2,571 | 3,365 | 4,032 |
6 | 1,440 | 1,943 | 2,447 | 3.143 | 3,707 |
7 | 1,415 | 1.895 | 2,365 | 2,998 | 3,499 |
8 | 1.397 | 1.860 | 2,306 | 2,896 | 3.355 |
9 | 1,383 | 1,833 | 2.262 | 2,821 | 3.250 |
10 | 1,372 | 1,812 | 2,228 | 2,764 | 3.169 |
11 | 1,363 | 1,796 | 2.201 | 2,718 | 3.106 |
12 | 1,356 | 1,782 | 2,179 | 2.681 | 3,055 |
13 | 1,350 | 1,771 | 2.160 | 2.650 | 3.012 |
14 | 1,345 | 1,761 | 2,145 | 2,624 | 2,977 |
15 | 1.341 | 1,753 | 2.131 | 2,602 | 2,947 |
dieciséis | 1,337 | 1.746 | 2.120 | 2,583 | 2,921 |
17 | 1,333 | 1.740 | 2.110 | 2,567 | 2,989 |
18 | 1.330 | 1,734 | 2.101 | 2,552 | 2,878 |
19 | 1.328 | 1,729 | 2,093 | 2,539 | 2,861 |
20 | 1.325 | 1.725 | 2.086 | 2,528 | 2.845 |
21 | 1,323 | 1,721 | 2.080 | 2,518 | 2,831 |
22 | 1.321 | 1,717 | 2,074 | 2,508 | 2,819 |
23 | 1.319 | 1,714 | 2,069 | 2,500 | 2.807 |
24 | 1,318 | 1,711 | 2,064 | 2.492 | 2,797 |
25 | 1.316 | 1,708 | 2.060 | 2,485 | 2,787 |
26 | 1.315 | 1,706 | 2,056 | 2,479 | 2,779 |
27 | 1,314 | 1,703 | 2.052 | 2,473 | 2,771 |
28 | 1,313 | 1,701 | 2,048 | 2,467 | 2.763 |
29 | 1.311 | 1,699 | 2,045 | 2,462 | 2,756 |
30 | 1.310 | 1,697 | 2.042 | 2,457 | 2.750 |
40 | 1,303 | 1,684 | 2,021 | 2.423 | 2,704 |
60 | 1,296 | 1,671 | 2,000 | 2.390 | 2.660 |
Z-valores | 1,282 | 1,645 | 1.960 | 2,326 | 2,576 |