Law Homework Help

CJ497 Investigation and Report

 

An analyst wants to know whether years of service vary by ranking groups in Police Department Y. Open “Prep 5.2” and answer the following questions. Use charts to visualize your results.

What is the average years of service in the department?

Compute means for each ranking group. Are there noticeable differences? Interpret your results.

Which group served less than the department average?

Prep 5.2.xlsx