In a study of the income of us factory workers a random, Econometrics

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In a study of the income of us factory workers a random

In a study of the income of U.S factory workers, a random sample of 125 workers shows a sample mean of $29,000. Assume that the population standard deviation is $4,500.

A) Compute the 90%, 95%, and 99% confidence intervals for the unknown population mean.

B) Briefly discuss what happens to the width of the confidence interval estimate as the confidence level increases. Does this seem reasonable?

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Econometrics: In a study of the income of us factory workers a random

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Econometrics: In a study of the income of us factory workers a random

Reference No:- TGS0577859

Have a Question? (oR Write a Review)

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Ask an Expert for Answer!!

Econometrics: In a study of the income of us factory workers a random

Reference No:- TGS0577859

Recent Questions Asked Econometrics

Q : Below is a list of domestic output and national income

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