. In the past, the average age of employees of a large corporation has been 40 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 SRS of 25 employees was selected. The average age in the sample was 42 years with a standard deviation of 5 years. Assume population is normally distributed. Let a = .05.
. In the past, the average age of employees of a large corporation has been 40 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 SRS of 25 employees was selected. The average age in the sample was 42 years with a standard deviation of 5 years. Assume population is normally distributed. Let a = .05.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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. In the past, the average age of employees of a large corporation has been 40 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 SRS of 25 employees was selected. The average age in the sample was 42 years with a standard deviation of 5 years. Assume population is normally distributed. Let a = .05.
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