Tabla de la distribución t de Student

En este post encontrarás la tabla con los valores característicos de la distribución t de Student. Además, te dejamos con unas pequeñas instrucciones para que puedas usar correctamente la tabla de la distribución t de Student.

Valores de la tabla de la distribución t de Student

A continuación se muestra la tabla de la distribución t de Student. Las filas corresponden a los grados de libertad de la distribución t de Student, mientras que las columnas representan las probabilidades de encontrar un valor mayor o igual que el valor de la t Student tabulado (cola de la derecha).

GL0,0010,0050,010,0250,050,100,150,200,250,300,350,400,45
1318,30963,65731,82112,7066,3143,0781,9631,3761,0000,7270,5100,3250,158
222,3279,9256,9654,3032,9201,8861,3861,0610,8160,6170,4450,2890,142
310,2155,8414,5413,1822,3531,6381,2500,9780,7650,5840,4240,2770,137
47,1734,6043,7472,7762,1321,5331,1900,9410,7410,5690,4140,2710,134
55,8934,0323,3652,5712,0151,4761,1560,9200,7270,5590,4080,2670,132
65,2083,7073,1432,4471,9431,4401,1340,9060,7180,5530,4040,2650,131
74,7853,4992,9982,3651,8951,4151,1190,8960,7110,5490,4020,2630,130
84,5013,3552,8962,3061,8601,3971,1080,8890,7060,5460,3990,2620,130
94,2973,2502,8212,2621,8331,3971,1000,8830,7030,5430,3980,2610,129
104,1443,1692,7642,2281,8121,3721,0930,8790,7000,5420,3970,2600,129
114,0253,1062,7182,2011,7961,3631,0880,8760,6970,5400,3960,2600,129
123,9303,0552,6812,1791,7821,3561,0830,8730,6950,5390,3950,2590,128
133,8523,0122,6502,1601,7711,3501,0800,8700,6940,5380,3940,2590,128
143,7872,9772,6242,1451,7611,3451,0760,8680,6920,5370,3930,2580,128
153,7332,9472,6022,1311,7531,3411,0740,8660,6910,5360,3930,2580,128
163,6862,9212,5832,1201,7461,3371,0710,8650,6900,5350,3920,2580,128
173,6462,8982,5672,1101,7401,3331,0690,8630,6890,5340,3920,2570,128
183,6102,8782,5522,1011,7341,3301,0670,8620,6880,5340,3920,2570,127
193,5792,8612,5392,0931,7291,3281,0660,8610,6880,5330,3910,2570,127
0,0010,0050,010,0250,050,100,150,200,250,300,350,400,45
203,5522,8452,5282,0861,7251,3281,0640,8600,6870,5330,3910,2570,127
213,5272,8312,5182,0801,7211,3231,0630,8590,6860,5320,3910,2570,127
223,5052,8192,5082,0741,7171,3211,0610,8580,6860,5320,3900,2560,127
233,4852,8072,5002,0691,7141,3191,0600,8580,6850,5320,3900,2560,127
243,4672,7972,4922,0641,7111,3181,0590,8570,6850,5310,3900,2560,127
253,4502,7872,4852,0601,7081,3161,0580,8560,6840,5310,3900,2560,127
263,4352,7792,4792,0561,7061,3151,0580,8560,6840,5310,3900,2560,127
273,4212,7712,4732,0521,7031,3141,0570,8550,6840,5310,3890,2560,127
283,4082,7632,4672,0481,7011,3131,0560,8550,6830,5300,3890,2560,127
293,3962,7562,4622,0451,6991,3111,0550,8540,6830,5300,3890,2560,127
303,3852,7502,4572,0421,6971,3101,0550,8540,6830,5300,3890,2560,127
313,3752,7442,4532,0401,6961,3091,0540,8530,6820,5300,3890,2560,127
323,3652,7382,4492,0371,6941,3091,0540,8530,6820,5300,3890,2550,127
333,3562,7332,4452,0351,6921,3081,0530,8530,6820,5300,3890,2550,127
343,3482,7282,4412,0321,6911,3071,0530,8520,6820,5290,3890,2550,127
353,3402,7242,4382,0301,6901,3061,0520,8520,6820,5290,3880,2550,127
363,3332,7192,4342,0281,6881,3061,0520,8520,6810,5290,3880,2550,127
373,3262,7152,4312,0261,6871,3051,0520,8510,6810,5290,3880,2550,127
383,3192,7122,4292,0241,6861,3041,0510,8510,6810,5290,3880,2550,127
393,3132,7082,4262,0231,6851,3041,0500,8510,6810,5290,3880,2550,126
0,0010,0050,010,0250,050,100,150,200,250,300,350,400,45
403,3072,7042,4232,0211,6841,3031,0500,8510,6810,5290,3880,2550,126
413,3012,7012,4212,0201,6831,3031,0500,8500,6810,5290,3880,2550,126
423,2962,6982,4182,0181,6821,3021,0490,8500,6800,5280,3880,2550,126
433,2912,6952,4162,0171,6811,3021,0490,8500,6800,5280,3880,2550,126
443,2862,6922,4142,0151,6801,3011,0490,8500,6800,5280,3880,2550,126
453,2812,6902,4122,0141,6791,3011,0490,8500,6800,5280,3880,2550,126
463,2772,6872,4102,0131,6791,3001,0480,8500,6800,5280,3880,2550,126
473,2732,6852,4082,0121,6781,3001,0480,8490,6800,5280,3880,2550,126
483,2692,6822,4072,0111,6771,2991,0480,8490,6800,5280,3880,2550,126
493,2652,6802,4052,0101,6771,2991,0480,8490,6800,5280,3880,2550,126
503,2612,6782,4032,0091,6761,2991,0470,8490,6790,5280,3880,2550,126
603,2322,6602,3902,0001,6711,2961,0460,8480,6790,5270,3870,2540,126
703,2182,6482,3811,9941,6671,2941,0440,8470,6770,5270,3870,2540,126
803,1952,6392,3741,9901,6641,2921,0430,8460,6770,5260,3870,2540,126
903,1832,6322,3681,9871,6621,2911,0420,8460,6770,5260,3870,2540,126
1003,1742,6262,3641,9841,6601,2901,0420,8450,6770,5260,3860,2540,126

Cómo usar la tabla de la distribución t de Student

Para usar la tabla de la distribución t de Student debes seguir tres pasos:

  1. Entrar en la tabla por la fila de los grados de libertad correspondientes de la distribución t de Student. En general, los grados de libertad de la distribución t de Student es una unidad menos que el número total de observaciones (n-1).
  2. Entrar en la tabla por la columna de la probabilidad correspondiente.
  3. El valor de la distribución t de Student es el valor que se encuentra donde se juntan la fila y la columna de los pasos anteriores.

Por ejemplo, el valor de la distribución t de Student con cinco grados de libertad y con una probabilidad del 10% de encontrar un valor igual o mayor que él es 1,476. Porque es el valor que hay en la fila de los cinco grados de libertad y en la columna de la probabilidad 10% (0,1).

\displaystyle t_{0,1 | 5}=1,476

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