Question
Un supervisor escolar, desea probar que el promedio de calificaciones en las Escuelas de Administracin en la Ciudad es menor a 12 puntos. Selecciona una
Un supervisor escolar, desea probar que el promedio de calificaciones en las Escuelas de Administracin en la Ciudad es menor a 12 puntos. Selecciona una muestra aleatoria de 25 escuelas y obtiene una media de 11.916 y desviacin estndar 1.4. Se asume que la distribucin es aproximadamente normal.
Pruebe a hiptesis con un nivel de significancia del 5%.
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Get StartedRecommended Textbook for
Advanced Engineering Mathematics
Authors: Erwin Kreyszig
10th edition
470458364, 470458365, 978-0470458365
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