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2. Se han seleccionado aleatoriamente una muestra de 82 estudiantes de Instituto y otra con 46 estudiantes de centros privados y se ha considerado la

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2. Se han seleccionado aleatoriamente una muestra de 82 estudiantes de Instituto y otra con 46 estudiantes de centros privados y se ha considerado la nota en Educacion Fisica para cada uno de ellos. Los datos obtenidos vienen resumidos en la siguiente tabla de contingencies Insuf suf o bien notable sobresaliente Total centro privado 7 14 17 CO 47 Instituto 30 32 17 3 82 37 46 34 12 129 Se desea contrastar la hipotesis de que la distribucion de notas en Educacion fisica es independiente del tipo de centro de Ensenanza

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