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Here are summary statistics for randomly selected weights of newborn girls: n = 198, x = 33.8 hg, s=7.7 hg. Construct a confidence interval estimate

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Here are summary statistics for randomly selected weights of newborn girls: n = 198, x = 33.8 hg, s=7.7 hg. Construct a confidence interval estimate of the mean. Use a 95% confidence level. Are these results very different from the confidence interval 31.8 hg

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