Estadística distribución t - el & # 147-t-table & # 148-

Como herramienta estadística, un t-tabla se muestran los valores críticos para las pruebas de dos colas. A continuación, utiliza estos valores para determinar los valores de confianza. La siguiente tabla muestra t-grados de libertad para los percentiles seleccionados de la 90a a la 99a:

Grados de libertadPercentil 90 (a = 0,10)95o percentil (a = 0,05)97,5 percentil (a = 0,025)98o percentil (a = 0,02)99o percentil (a = 0,01)
13,0786,31412.70631.82163.657
21,8862,9204,3036,9659,925
31,6382,3533,1824,5415,841
41,3332,1322,7763,7474,604
51,4762,0152,5713,3654,032
61,4401,9432,4473,1433,707
71,4151,8952,3652,9983,499
81,3971,8602,3062,8963,355
91,3831,8332,2622,8213,250
101,3721,8122,2282,7643,169
111,3631,7962,2012,7183,106
121,3561,7822,1792,6813,055
131,3501,7712,1602,6503,012
141,3451,7612,1452,6242,977
151,3411,7532,1312,6022,947
161,3371,7462,1202,5832,921
171,3331,7402,1102,5672,989
181,3301,7342,1012,5522,878
191,3281,7292,0932,5392,861
201,3251,7252,0862,5282,845
211,3231,7212,0802,5182,831
221,3211,7172,0742,5082,819
231,3191,7142,0692,5002,807
241,3181,7112,0642,4922,797
251,3161,7082,0602,4852,787
261,3151,7062,0562,4792,779
271,3141,7032,0522,4732,771
281,3131,7012,0482,4672,763
291,3111,6992,0452,4622,756
301,3101,6972,0422,4572,750
401,3031,6842,0212,4232,704
601,2961,6712,0002,3902,660
Z-valores1,2821,6451,9602,3262,576



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