ou may need to use the appropriate appendix table or technology to answer this question. In the past, the average age of employees of a large corporation has been 41 years. Recently, the company has been hiring older individuals. In order to determine whether there has been an increase in the average age of all the employees, a sample of 64 employees was selected. The average age in the sample was 48 years with a standard deviation of 16 years.Let ? = 0.05. (a) State the null and the alternative hypotheses (in years). (Enter != for ≠ as needed.) H0:     Ha:     (b) Compute the test statistic.   (c) Using the p-value approach, test to determine whether or not the mean age of all employees is significantly more than 41 years. Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. Reject H0. There is insufficient evidence that the mean age of all employees is significantly more than 41 years.Do not reject H0. There is sufficient evidence that the mean age of all employees is significantly more than 41 years.     Reject H0. There is sufficient evidence that the mean age of all employees is significantly more than 41 years.Do not reject H0. There is insufficient evidence that the mean age of all employees is significantly more than 41 years.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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You may need to use the appropriate appendix table or technology to answer this question.
In the past, the average age of employees of a large corporation has been 41 years. Recently, the company has been hiring older individuals. In order to determine whether there has been an increase in the average age of all the employees, a sample of 64 employees was selected. The average age in the sample was 48 years with a standard deviation of 16 years.Let
? = 0.05.
(a)
State the null and the alternative hypotheses (in years). (Enter != for ≠ as needed.)
H0:
 
 
Ha:
 
 
(b)
Compute the test statistic.
 
(c)
Using the p-value approach, test to determine whether or not the mean age of all employees is significantly more than 41 years.
Find the p-value. (Round your answer to four decimal places.)
p-value =
State your conclusion.
Reject H0. There is insufficient evidence that the mean age of all employees is significantly more than 41 years.Do not reject H0. There is sufficient evidence that the mean age of all employees is significantly more than 41 years.     Reject H0. There is sufficient evidence that the mean age of all employees is significantly more than 41 years.Do not reject H0. There is insufficient evidence that the mean age of all employees is significantly more than 41 years.
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