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1. A 99% confidence interval for a mean is (11.5, 16.9). For the following, think about how such a confidence interval is calculated. This

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1. A 99% confidence interval for a mean is (11.5, 16.9). For the following, think about how such a confidence interval is calculated. This will help you figure out how to find the answer. a) What is the sample mean that was used to calculate this interval? b) What is the margin of error associated with this interval?

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