In order to derive a confidence interval of the population variance, a random sample of n observations
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In order to derive a confidence interval of the population variance, a random sample of n observations is drawn from a normal population. Use this information to find χ2α/2,df and χ21 − α/2,df under the following scenarios. P-399
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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Related Book For 
Business Statistics Communicating With Numbers
ISBN: 9780071317610
1st Edition
Authors: Kelly Jaggia
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