Put it to use.
Now that you have learned a key fact you may be wondering how this idea may be tested on an exam. To get an idea consider the following question.
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Put it to use:A large corporation has many employees that are paid an hourly wage. The human resources director of the company knows that the standard deviation of the hourly employees' wages is $12.30. The director is going to take a random sample of 50 employees. What would the standard deviation of the sample mean be in this situation? |
