The following line chart represents year - wise registration trend of educated jobseekers for the period 2008 - 2015. Study the chart carefully and answer the question that follows.
What is the ratio of the years which have the number of registrations above the average registration for all the years to those which have number of registrations below the average registration?
1
3 : 5
2
1 : 3
3
1 : 7
4
1 : 1