A Researcher Is Interested in Determining the Average Number of Years

question 101

Short Answer

A researcher is interested in determining the average number of years employees of a company stay with the company. If past information shows a standard deviation of 7 months, what size sample should be taken so that at 95% confidence the margin of error will be 2 months or less?

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Definitions:

Line Conditioner

A device that improves the quality of electrical power by stabilizing voltage and filtering noise and spikes.

Gpupdate

A command used to refresh local and Active Directory-based Group Policy settings.

Gpresult

A command that displays Group Policy settings. A Group Policy determines how a computer is configured for both system and user (or a group of users) settings.

Xcopy

A command that transfers files from one place to another in the command prompt environment.