• October 3rd, 2017

Estimating Population Mean

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discuss in your own words (with examples):

a. What is the point estimator of the population mean, μ? How would you calculate the margin of error for an estimate of μ?
b. Explain the various alternatives for decreasing the width of a confidence interval. Which is the best alternative?
c. Briefly explain how the width of a confidence interval decreases with an increase in the sample size. Give an example.
d. Briefly explain how the width of a confidence interval decreases with a decrease in the confidence level. Give an example.

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