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Posted on Jun 12, 2024

La altura promedio de las mujeres en la clase de novatos en cierta escuela ha sido 162.5 cm con una desviacin estndar de 6.9 centmetros.

Existe alguna razn para creer que ha habido algn cambio en la altura promedio si una muestra aleatoria de 50 mujeres del grupo actual de novatos tiene una altura promedio de 165.2 cm?

Utilizar un nivel de significancia de 0.05.

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