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Here are summary statistics for randomly selected weights of newborm girls: n= 171, x= 29.8 hg, s= 6.8 hg. Construct interval 28.0 hg

Here are summary statistics for randomly selected weights of newborm girls: n= 171, x= 29.8 hg, s= 6.8 hg. Construct interval 28.0 hg

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Here are summary statistics for randomly selected weights of newborn girls: n = 171, x = 29.8 hg, s = 6.8 hg. Construct a confidence interval estimate of the mean. Use a 95% confidence level. Are these results very different from the confidence interval 28.0 hg <u<31.0 hg with only 13 sample values, x = 29.5 hg, and s = 2.4 hg? What is the confidence interval for the population mean u? Ohg <u< hg (Round to one decimal place as needed.) Are the results between the two confidence intervals very different? O A. Yes, because one confidence interval does not contain the mean of the other confidence interval. O B. No, because the confidence interval limits are similar. OC. No, because each confidence interval contains the mean of the other confidence interval. O D. Yes, because the confidence interval limits are not similar.
Transcribed Image Text:Here are summary statistics for randomly selected weights of newborn girls: n = 171, x = 29.8 hg, s = 6.8 hg. Construct a confidence interval estimate of the mean. Use a 95% confidence level. Are these results very different from the confidence interval 28.0 hg <u<31.0 hg with only 13 sample values, x = 29.5 hg, and s = 2.4 hg? What is the confidence interval for the population mean u? Ohg <u< hg (Round to one decimal place as needed.) Are the results between the two confidence intervals very different? O A. Yes, because one confidence interval does not contain the mean of the other confidence interval. O B. No, because the confidence interval limits are similar. OC. No, because each confidence interval contains the mean of the other confidence interval. O D. Yes, because the confidence interval limits are not similar.
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