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find a 95% confidence interval of the form (0,b) for the variance of the height of children at 3 years.

find a 95% confidence interval of the form (0,b) for the variance of the height of children at 3 years.

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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data consist of height measurements in centimeters of 5 randomly selected children at ages 3 and 5. Assume data are observed from 2 independent normal populations.

find a 95% confidence interval of the form (0,b) for the variance of the height of children at 3 years.

Child 3 years old 5 years old Difference i Yi Yi – X; 1 95.6 114.8 19.2 2 75.4 84.0 8.6 3 76.6 99.7 23.1 4 99.4 121.0 21.6 5 65.7 80.7 15.0 Observed sample mean 82.5 100.0 17.5 Observed sample variance 206.2 322.2 34.1
Transcribed Image Text:Child 3 years old 5 years old Difference i Yi Yi – X; 1 95.6 114.8 19.2 2 75.4 84.0 8.6 3 76.6 99.7 23.1 4 99.4 121.0 21.6 5 65.7 80.7 15.0 Observed sample mean 82.5 100.0 17.5 Observed sample variance 206.2 322.2 34.1
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