Mathematics, 15.04.2021 22:00, Zaida21

Here are summary statistics for randomly selected weights of newborn girls: n=250, x_=32.9 hg, s=6.9 hg. Construct a confidence interval estimate of the mean. Use a 95% confidence level. Are these results very different from the confidence interval 31.9 hg < μ < 34.5 hg with only 19 sample values, x_ = 33.2hg, and s = 2.9 hg?

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Here are summary statistics for randomly selected weights of newborn girls: n=250, x_=32.9 hg, s=...