Here are summary statistics for randomly selected weights of newborn girls: n= 150, x = 32.1 hg, s= 7.4 hg. Construct a confidence interval estimate of the mean. Use a 99% confidence level. Are these results very different from the confidence interval 29.6 hg<µ<35.2 hg with only 12 sample values, x = 32.4 hg, and s = 3.1 hg? What is the confidence interval for the population mean u? hg

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Here are summary statistics for randomly selected weights of newborn girls: n = 150, x = 32.1 hg, s= 7.4 hg. Construct a confidence interval estimate of the mean. Use a
99% confidence level. Are these results very different from the confidence interval 29.6 hg < u< 35.2 hg with only 12 sample values, x= 32.4 hg, and s = 3.1 hg?
What is the confidence interval for the population mean µ?
hg < µ< hg (Round to one decimal place as needed.)
Transcribed Image Text:Here are summary statistics for randomly selected weights of newborn girls: n = 150, x = 32.1 hg, s= 7.4 hg. Construct a confidence interval estimate of the mean. Use a 99% confidence level. Are these results very different from the confidence interval 29.6 hg < u< 35.2 hg with only 12 sample values, x= 32.4 hg, and s = 3.1 hg? What is the confidence interval for the population mean µ? hg < µ< hg (Round to one decimal place as needed.)
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