The Kamp family has twins, Rob and Rachel. Both Rob and Rachel graduated from college two years

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The Kamp 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 five years' experience is $35,000 with a standard deviation of $8,000. Rob is an engineer. The mean salary for engineers with less than five years' experience is $60,000 with a standard deviation of $5,000. Compute the z values for both Rob and Rachel and comment on your findings.
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Basic Statistics For Business And Economics

ISBN: 9780073521473

8th Edition

Authors: Douglas Lind, William Marchal, Samuel Wathen

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