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It is known that from the population of employees of a company a sample of 100 people is taken and their annual salaries are recorded. The average and standard deviation of their salaries are X = IDR 30,000,000 and S = IDR 6,000,000. If the confidence interval value to estimate is 80%. What is the actual average salary of the employees in the company?

It is known that from the population of employees of a company a sample of 100 people is taken and their annual salaries are recorded. The average and standard deviation of their salaries are X = IDR 30,000,000 and S = IDR 6,000,000. If the confidence interval value to estimate is 80%. What is the actual average salary of the employees in the company?

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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Estimation Theory

It is known that from the population of employees of a company a sample of 100 people is taken and their annual salaries are recorded. The average and standard deviation of their salaries are X = IDR 30,000,000 and S = IDR 6,000,000. If the confidence interval value to estimate is 80%. What is the actual average salary of the employees in the company?
Transcribed Image Text:It is known that from the population of employees of a company a sample of 100 people is taken and their annual salaries are recorded. The average and standard deviation of their salaries are X = IDR 30,000,000 and S = IDR 6,000,000. If the confidence interval value to estimate is 80%. What is the actual average salary of the employees in the company?
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