Mathematics, 25.10.2021 08:20, alexisfhenders

Here are summary statistics for randomly selected weights of newborn girls: n=167, x=29.6hg, s=6.9hg construct a confidence interval estimate of the mean. Use a 90% confidence level. Are these results very different from the confidence interval 28.8hg<û<31.4hg with only 14 sample values, x=30.1hg and s=2.7hg? What is the confidence interval for the population mean û?

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Here are summary statistics for randomly selected weights of newborn girls: n=167, x=29.6hg, s=6.9hg...