The file S02_45.xlsx contains the salaries of 135 business school professors at a (fictional) large state university.
Question:
a. If you increased every professor’s salary by $1000, what would happen to the mean and median salary?
b. If you increased every professor’s salary by $1000, what would happen to the sample standard deviation of the salaries?
c. If you increased every professor’s salary by 5%, what would happen to the sample standard deviation of the salaries?
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Related Book For 
Data Analysis And Decision Making
ISBN: 415
4th Edition
Authors: Christian Albright, Wayne Winston, Christopher Zappe
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