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Here are summary statistics for randomly selected weights of newborn girls: n = 243, x = 28.6 hg, s =6.6 hg. Construct a confidence interval

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Here are summary statistics for randomly selected weights of newborn girls: n = 243, x = 28.6 hg, s =6.6 hg. Construct a confidence interval estimate of the mean. Use a 95% confidence level. Are these results very different from the confidence interval 27.1 hg

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