Here are summary statistics for randomly selected weights of newborn girls: n= 150, x = 33.4 hg, s = 7.8 hg. Construct a confidence interval estimate of the mean. Use a98% confidence level. Are these results very different from the confidence interval 31.0 hg <µ< 36.6 hg with only 12 sample values, x= 33.8 hg, and s= 3.6 hg?What is the confidence interval for the population mean u?hghg (Round to one decimal place as needed)

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What is the confidence interval for the population mean u? ng << hg (Round to one decimal place as needed)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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Here are summary statistics for randomly selected weights of newborn girls: n= 150, x = 33.4 hg, s = 7.8 hg. Construct a confidence interval estimate of the mean. Use a
98% confidence level. Are these results very different from the confidence interval 31.0 hg <µ< 36.6 hg with only 12 sample values, x= 33.8 hg, and s= 3.6 hg?
What is the confidence interval for the population mean u?
hg
hg (Round to one decimal place as needed)

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