Construct a 90% confidence interval for the population standard deviation if a sample size 20 has...

Construct a 90% confidence interval for the population standard deviation if a sample size 20 has standard deviation of 10. (a) Find the critical value(s). (Round to three decimal places) (b) Construct the confidence interval. (Round to three decimal places) (c) Conclusion.

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Expert Solution

Solution:

Confidence interval : 7.939 < σ < 13.704 (Rounded to three decimal places)

orchestra answered 1 year ago

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