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    Finding the z values

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    The Smith family has twins, Rob and Rachel. Both Rob and Rachel graduated from college two years ago, and each is now earning $50,000 per year. Rachel works in the retail industry, where the mean salary for executives with less than 5 years' experience is $35,000 with a standard deviation of $8,000. Rob is an engineer. The mean salary for engineers with less than 5 years' experience is $60,000 with a standard deviation of $5,000.

    a. Compute the z values for both Rob and Rachel.

    b. Comment on your findings

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    https://brainmass.com/statistics/standard-deviation/finding-the-z-values-116522

    Solution Summary

    The solution contains detailed explanation of finding the z values if the standard deviation of a population is given.

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