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Description: An investigator conducts a study to investigate whether there is a difference in mean PEF in children with chronic bronchitis as compared to those without. There are 50 children without bronchitis in the sample, and they have a mean PEF of 316 with a

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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An investigator conducts a study to investigate whether there is a difference in mean PEF in children with chronic bronchitis as compared to those without. There are 50 children without bronchitis in the sample, and they have a mean PEF of 316 with a standard deviation of 71. Construct a 95% confidence interval for the mean PEF in children without chronic bronchitis.

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