If your R squared is below 95%, what action(s) can you take to improve it. Select all that apply.

 

a) Delete some of the survey responses (about average salaries), especially those with multiple job incumbents.

 

b) There is nothing that can be done to improve the R square.
 

c) Review the points originally assigned to each job and alter one or more if I can justify it.
 

d) Delete one or more of the benchmark jobs from the analysis