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    Finding the confidence interval for population variance

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    A discount store is trying to decide whether to use a single waiting line for available cashiers. The waiting times for 25 randomly selected customers was found to have a standard deviation of 1.7 minutes. Construct a 95% confidence interval for the population variance.

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    https://brainmass.com/statistics/confidence-interval/finding-confidence-interval-population-variance-82416

    Solution Summary

    This solution provides assistance constructing a 95% confidence interval for the population variance of the data given below.

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