Here are summary statistics for randomly selected weights of newborn girls: n= 156, x= 33.8 hg, s=6.1 hg. Construct a confidence interval estimate of the mean. Use a 99% confidence level. Are these results very different from the confidence interval 32.8 hg

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Here are summary statistics for randomly selected weights of newborn girls: n = 156, x = 33.8 hg, s = 6.1 hg. Construct a
confidence interval estimate of the mean. Use a 99% confidence level. Are these results very different from the
confidence interval 32.8 hg<u<35.8 hg with only 15 sample values, x 34.3 hg, and s= 1.9 hg?
What is the confidence interval for the population mean u?
hg <u<hg (Round to one decimal place as needed.)
Transcribed Image Text:Here are summary statistics for randomly selected weights of newborn girls: n = 156, x = 33.8 hg, s = 6.1 hg. Construct a confidence interval estimate of the mean. Use a 99% confidence level. Are these results very different from the confidence interval 32.8 hg<u<35.8 hg with only 15 sample values, x 34.3 hg, and s= 1.9 hg? What is the confidence interval for the population mean u? hg <u<hg (Round to one decimal place as needed.)
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