In order to construct a confidence interval for the population variance, a random sample of n observations

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In order to construct a confidence interval for the population variance, a random sample of n observations is drawn from a normal population. Use this information to find and under the following scenarios.

a. A 95% confidence level with n = 18

b. A 95% confidence level with n = 30

c. A 99% confidence level with n = 18

d. A 99% confidence level with n = 30

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Business Statistics Communicating With Numbers

ISBN: 9781259957611

3rd Edition

Authors: Sanjiv Jaggia

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Question Posted: May 06, 2019 07:02 AM

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In order to construct a confidence interval for the population variance, a random sample of n observations

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a/2.df X1-a/2,df

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a Given 005 2 00251 2 0975 and df n 1 18 1 17 we find and ...View the full answer

Business Statistics Communicating With Numbers

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