"Age Group" "Members in 2015" "Complaints in (2015)" "Staff 1 Members in 2016" "Staff 1 Complaints in 2016" "Staff 2 Members in 2016" "Staff 2 Complaints in 2016"

5-25 200 300 50 5 50 10
26-45 500 400 20 20 20 2
46-65 300 100 10 4 10 4
66-85 200 500 60 10 60 25
86-105 100 800 20 15 20 3
  • I would like to be able to fairly compare Staff 1 to Staff 2 , as you can see they have different members they are handling with varying complain rates
  • I would also like to factor the fact that overall metric should not be worse than 2015

How can I know which staff is doing better?