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summary statistics for wages Bell summary statistics for wages Duarte 8. Compare the mean salaries of Bell and Duarte public employees by position titles. 9.
summary statistics for wages Bell
summary statistics for wages Duarte
8. Compare the mean salaries of Bell and Duarte public employees by position titles.
9. Do police office on average get paid well in the city of Bell? What about officers who assume higher ranking positions?
10. Compare the average salary of a city council members in both cities. What do you notice? Usually, city council members get paid nominal amount of money for their public service. Use the output you obtained in question 8 to answer this question.
11. Now, look for the city managers salaries in each city and change those salaries to standardized z-scores, meaning find out how many standard deviations away the city manager salary is from the mean? z-score = (city manager salary mean)/standard deviation. When the z-score is more than 3, we say the data value is very unusual.
a) For the city of Bell, how many standard deviations is the city manager salary above the mean?
b) For the city of Duarte, how many standard deviations is the city manager salary sbove the mean?
c) City managers could make salaries that are three or four times above the mean. Do you get suspicious here about any of the two city managers? Which one? And why?
plz answer all the question , thanks
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