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1. Here are summary statistics for randomly selected weights of newborn girls: n = 195, x = 33.2 hg, s = 7.4 hg. Construct a

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Here are summary statistics for randomly selected weights of newborn girls: n = 195, x = 33.2 hg, s = 7.4 hg. Construct a confidence interval estimate of the mean. Use a 90% confidence level. Are these results very different from the confidence interval 31.7 hg

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