Meaning of Investigator:
An investigator is a person, who in research exploration, plans and conducts by means of statistical techniques and methods to draw the related inference from a certain research problem. An investigator does all the necessary planning and conducts the necessary research interviews individually or with the help of other individuals of the team.
Meaning of Enumerator:
An enumerator is a person who gathers all the information and data required for a specific statistical investigation, either primarily or secondarily. An enumerator is a trained person to do the necessary field work. Basically, an enumerator is a person who collects the required statistical data and information from the respondents, and processes it further for statistical analysis.