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Here are summary statistics for randomly selected weights of newborn girls: n = 157, x= 28.9 hg, s=6.1 hg. Construct a confidence interval estimate of

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Here are summary statistics for randomly selected weights of newborn girls: n = 157, x= 28.9 hg, s=6.1 hg. Construct a confidence interval estimate of the mean. Use a 95% confidence level. Are these results very different from the confidence interval 28.2 hg

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