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Mathematics, 06.12.2019 19:31 18alewis

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 sample of 64 employees was selected. the average age in the sample was 45 years with a standard deviation of 16 years. let α = .05

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