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Bateria 1 2 3 4 5 6 7 8 9 10 11 12 13 Duraci6n en horas 342 426 317 545 464 451 709

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Bateria 1 2 3 4 5 6 7 8 9 10 11 12 13 Duraci6n en horas 342 426 317 545 464 451 709 631 512 366 492 562 298 Un fabricante de baterias tom6 una muestra de 13 baterias, de la producci6n diaria y las utiliz6 de manera continua hasta agotarlas ( los resultados se encuentran en la tabla adjunta) Con un nivel de significancia de 0.05, existe evidencia de que la vida media de las baterias es mayor a 400 horas Utilizando la informaci6n anterior seria conveniente que el fabricante colocar anuncios de que las baterias duran ms de 400 horas?

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