Here are summary statistics for randomly selected weights of newborn girls: n= 152, x= 33.5 hg, s= 7.7 hg. Construct a confidence interval estimate of the mean. Use a 98% confidence level. Are these results very different from the confidence interval 31.7 hg

Here are summary statistics for randomly selected weights of newborn girls: n= 152, x= 33.5 hg, s= 7.7 hg. Construct a confidence interval estimate of the mean. Use a 98% confidence level. Are these results very different from the confidence interval 31.7 hg

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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Question

K
Here are summary statistics for randomly selected weights of newborn girls: n = 152, x= 33.5 hg, s= 7.7 hg. Construct a confidence interval estimate of the mean. Use a 98% confidence level. Are
these results very different from the confidence interval 31.7 hg <μ<35.9 hg with only 18 sample values, x= 33.8 hg, and s= 3.5 hg?
What is the confidence interval for the population mean μ?
hg<μ< hg (Round to one decimal place as needed.)
G

Expert Solution

Step 1: Introduction:

The dataset is given as-

$table attributes columnalign right center left columnspacing 0px end attributes row n equals 152 row cell x with bar on top end cell equals cell 33.5 end cell row s equals cell 7.7 end cell end table$

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