The annual earnings of 13 randomly selected computer software engineers have a sample standard deviation of $3620. Assume the sample is from a normally distributed population. Construct a confidence interval for the population variance σ2 and the population standard deviation σ. Use a 90% level of confidence. Interpret the results. What is the confidence interval for the population variance σ2? (enter your response here,enter your response here) (Round to the nearest integer as needed.) What is the Standard Deviation.
The annual earnings of 13 randomly selected computer software engineers have a sample standard deviation of $3620. Assume the sample is from a normally distributed population. Construct a confidence interval for the population variance σ2 and the population standard deviation σ. Use a 90% level of confidence. Interpret the results. What is the confidence interval for the population variance σ2? (enter your response here,enter your response here) (Round to the nearest integer as needed.) What is the Standard Deviation.
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
The annual earnings of
normally distributed population. Construct a confidence interval for the population variance
13
randomly selected computer software engineers have a sample standard deviation of
$3620.
Assume the sample is from a σ2
and the population standard deviation
σ.
Use a
90%
level of confidence. Interpret the results.What is the confidence interval for the population variance
σ2?
(enter your response here,enter your response here)
(Round to the nearest integer as needed.)What is the Standard Deviation.
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