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In another company, every worker received a 5% raise. How

Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi ISBN: 9780073401331 38

Solution for problem 9E Chapter 1.2

Statistics for Engineers and Scientists | 4th Edition

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Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi

Statistics for Engineers and Scientists | 4th Edition

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Problem 9E

In another company, every worker received a 5% raise. How does this affect the mean salary? The standard deviation of the salaries?

Step-by-Step Solution:

Answer:

Step 1 of 2:

             The mean and standard deviation both increase by 5%.

           Calculate the mean if every worker received a 5% raise.

        Let : before raising the mean and standard deviation.

              : after raising the mean and standard deviation.

Step 2 of 2

Chapter 1.2, Problem 9E is Solved
Textbook: Statistics for Engineers and Scientists
Edition: 4
Author: William Navidi
ISBN: 9780073401331

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In another company, every worker received a 5% raise. How

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