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With a regression equation and following data points: ADE = 135 + 28 * Dmale i=1,...,n R squared = 0.15 SER = 3.5 ADE: Average

With a regression equation and following data points:

ADE = 135 + 28 * Dmale

i=1,...,n

R squared = 0.15

SER = 3.5

ADE: Average daily earnings of individual i in dollars.

Dmale: Dummy variable. D=1 is a male and D=0 is a female.

Question: Devise a 95% confidence interval for Average daily earnings for male. Can you reject the null hypothesis of "there is no wage difference between the genders?"

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