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A continuacin se muestran los rendimientos de Alcoff Company durante los ltimos 3 aos. Cul es la desviacin estndar de los rendimientos de la empresa?

A continuacin se muestran los rendimientos de Alcoff Company durante los ltimos 3 aos. Cul es la desviacin estndar de los rendimientos de la empresa? ( Pista: Esta es una muestra, no una poblacin completa, por lo que se debe utilizar la frmula de desviacin estndar de la muestra).

Ao Devolver
2010 21,00%
2009 12,50%
2008 32,80%

Selecciona la respuesta correcta.

a. 23,47%
b. 23,50%
C. 23,53%
d. 23,56%
mi. 23,59%

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