SOLUTION: a. A statistics practitioner randomly sampled 100 observations from a population with a standard deviation of 5 and found that xbar is 10. Estimate the p

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Question 760073:
a.
A statistics practitioner randomly sampled 100 observations from a population with a standard deviation of 5 and found that xbar is 10. Estimate the population mean with 90% confidence.


b.
Repeat part (a) with a sample size of 25.


c.
Repeat part (a) with a sample size of 10.


d.
Describe what happens to the confidence interval estimate when the sample size decreases the confidence interval estimate becomes more accurate.
a.
A statistics practitioner randomly sampled 100 observations from a population with a standard deviation of 5 and found that xbar is 10. Estimate the population mean with 90% confidence.


b.
Repeat part (a) with a sample size of 25.


c.
Repeat part (a) with a sample size of 10.


d.
Describe what happens to the confidence interval estimate when the sample size decreases the confidence interval estimate becomes more accurate.

Answer by TeacherMBG(4)   (Show Source): You can put this solution on YOUR website!

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