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

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Statistics

In order to construct a confidence interval for the populationvariance, a random sample of n observations is drawn froma normal population. Use this information to findχ2α/2,df andχ21- α/2,df underthe following scenarios. (Round your answers to 3 decimalplaces. You may find it useful to reference the appropriate table:chi-square table or F table)

χ2α/2,dfχ21-α/2,df
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.

rev: 06_10_2019_QC_CS-170121

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