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34 samples are randomly selected from a normal distribution. The sample mean observed is 92. Assume the population standard deviation as 18. Construct a 95% confidence interval? [Critical value 90% CL = 1.65 95% CL = 1.96]

34 samples are randomly selected from a normal distribution. The sample mean observed is 92. Assume the population standard deviation as 18. Construct a 95% confidence interval? [Critical value 90% CL = 1.65 95% CL = 1.96]

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
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34 samples are randomly selected from a normal distribution. The sample mean observed is 92. Assume the population standard deviation as 18. Construct a 95% confidence interval? [Critical value 90% CL = 1.65 95% CL = 1.96]
Transcribed Image Text:34 samples are randomly selected from a normal distribution. The sample mean observed is 92. Assume the population standard deviation as 18. Construct a 95% confidence interval? [Critical value 90% CL = 1.65 95% CL = 1.96]
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