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En el censo de poblacin del ao 2000 se solicit la edad del jefe de familia; una muestra de 40 familias mostr el registro de

En el censo de poblacin del ao 2000 se solicit la edad del jefe de familia; una muestra de 40 familias mostr el registro de edades siguiente:

42 29 31 38 55 27 28 33 49 70
25 21 38 47 63 22 38 52 50 41
19 22 29 81 52 26 35 38 29 31
48 26 33 42 58 40 32 24 34 25

Considerando la forma de la distribucin de los datos, y con el propsito de determinar el porcentaje de datos que est a menos de 2 veces la desviacin estndar respecto del promedio, indica qu sera mejor: aplicar el teorema de Tchebysheff o la regla emprica.

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