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La agencia de administracin de empleos y formacin inform que la prestacin media del seguro de desempleo es de $238 dlares por semana. Un investigador

La agencia de administracin de empleos y formacin inform que la prestacin media del seguro de desempleo es de $238 dlares por semana. Un investigador del estadode virginia anticip que datos muestrales indicarn que la prestacin media semanal del seguro de desempleo en este estado es menor que la media de todo el pas.

  • Establezca la hiptesis adecuada de manera que el rechazo de Ho favorezca la afirmacin del investigador.
  • En una muestra de 100 individuos ,la media muestral semanal del seguro de desempleo encontrada fue $231 dlares,con una desviacin estndar poblacional poblacional estimada en aos previos de $80.
  • Use el mtodo valor-p o valor crtico para dar su conclusin si el nivel de significancia=0.05

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