MATLAB: An Introduction with Applications
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ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Transcribed Image Text:Here are summary statistics for randomly selected weights of newborn girls: n = 242, x = 26.1 hg, s=7.3 hg. Construct a confidence interval estimate of the mean. Use a 98% confidence level. Are these results very different from the confidence
interval 23.4 hg <u<27.8 hg with only 14 sample values, x= 25.6 hg, and s = 3.1 hg?
What is the confidence interval for the population mean u?
Ohg <u<O hg (Round to one decimal place as needed.)
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