In the past, the average age of the employees of a certain company was 40 years. Recently the company has been hiring younger individuals. Some of them are even fresh graduates from the different universities in the country. In order to determine whether there has been a decrease in the average age of all the employees, a random sample of 29 cmployees was selected. The average age of the sample was 35 years with a standard deviation of 11 years. Using 0.05 level of significance, determine whether che age average of all the employees has decreased. Assume normality in the population.
In the past, the average age of the employees of a certain company was 40 years. Recently the company has been hiring younger individuals. Some of them are even fresh graduates from the different universities in the country. In order to determine whether there has been a decrease in the average age of all the employees, a random sample of 29 cmployees was selected. The average age of the sample was 35 years with a standard deviation of 11 years. Using 0.05 level of significance, determine whether che age average of all the employees has decreased. Assume normality in the population.
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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