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    Find confidence interval

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    Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation o. Assume that the population has a normal distribution.

    Weights of men: 90% confidence; n=14, Xbar=160.9lb, s=12.6lb

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    Solution Summary

    The solution provides step by step method for the calculation of confidence interval . Formula for the calculation and Interpretations of the results are also included.