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8. Age of College Students Find the 90% confidence interval for the variance and standard deviation of the ages of seniors at Oak Park College if a sample of 24 students has a standard deviation of 2.3 years. Assume the variable is normally distributed. 3.5<♂² <9,3; 1.9

8. Age of College Students Find the 90% confidence interval for the variance and standard deviation of the ages of seniors at Oak Park College if a sample of 24 students has a standard deviation of 2.3 years. Assume the variable is normally distributed. 3.5<♂² <9,3; 1.9

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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**Age of College Students** Find the 90% confidence interval for the variance and standard deviation of the ages of seniors at Oak Park College if a sample of 24 students has a standard deviation of 2.3 years. Assume the variable is normally distributed. - Confidence Interval for Variance (\(\sigma^2\)): \(3.5 < \sigma^2 < 9.3\) - Confidence Interval for Standard Deviation (\(\sigma\)): \(1.9 < \sigma < 3.0\)
Transcribed Image Text:**Age of College Students** Find the 90% confidence interval for the variance and standard deviation of the ages of seniors at Oak Park College if a sample of 24 students has a standard deviation of 2.3 years. Assume the variable is normally distributed. - Confidence Interval for Variance (\(\sigma^2\)): \(3.5 < \sigma^2 < 9.3\) - Confidence Interval for Standard Deviation (\(\sigma\)): \(1.9 < \sigma < 3.0\)
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