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La ecuacin de regresin es Y = 11.18-0.49X, el tamao de la muestra es 12, y el error estndar de la pendiente es 0.23. Aplique

La ecuacin de regresin es Y = 11.18-0.49X, el tamao de la muestra es 12, y el error estndar de la pendiente es 0.23. Aplique el nivel de significancia 0.05. Podemos concluir que la pendiente de la recta de regresin es menor a cero?

a) Las hiptesis nula y alternativa son:

Ho: >0, H1:0

Ho: =0, H1:0

Ho: <0, H1:0

Ho: 0, H1:<0

Ho: 0, H1:>0

b) Calcule es estadstico de prueba. Respuesta

c) Grados de libertad Respuesta

c) El calculo del t crtico es: Respuesta

d) La decisin es:

La pendiente de la recta de regresin es mayor igual que cero

La pendiente de la recta es mayor que cero

La pendiente de la recta es menor que cero

La pendiente de la recta es menor igual que cero

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