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Here are summary statistics for randomly selected weights of newborn girls: n = 163, x=32.6 hg, s=6.8 hg. Construct a confidence interval estimate of

Here are summary statistics for randomly selected weights of newborn girls: n = 163, x=32.6 hg, s=6.8 hg. Construct a confidence interval estimate of the mean. Use a 98% confidence level. Are these results very different from the confidence interval 30.6 hg < < 33.8 hg with only 17 sample values, x = 32.2 hg, and s = 2.6 hg? What is the confidence interval for the population mean ? hg

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