AGGREGATE ENTRY AGE NORMAL - A system of applying the entry age normal actuarial cost methodology using aggregate population models or groups instead of applying it individual by individual.
When applying Aggregate Entry Age Normal methodology, calculations are done based on individual-level data. 
mnli hypothesis: When applying Aggregate Entry Age Normal methodology, calculations are done based on individual-level data.  premise: AGGREGATE ENTRY AGE NORMAL - A system of applying the entry age normal actuarial cost methodology using aggregate population models or groups instead of applying it individual by individual.