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# Construct an 8 0 % confidence interval for the population standard deviation if a sample of size 1 7 has standard deviation s = 1

Construct an $80\%$ confidence interval for the population standard deviation if a sample of size $17$ has standard deviation s$=11\mathrm{.}8.$ Round the answers to at least two decimal places An $80\%$ confidence interval for the population standard deviation is:

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