Answer: Primary population data collection sources, Secondary Population Data Collection Sources
Explanation:
There are two primary producers of collecting population data which are Primary population data collection sources and Secondary population data collection sources.
- Primary population data collection sources are considering data that is collected directly by the one who was researching it or it can also be statistician, government body census, and more.
- Secondary population data collection sources are considering obtained data from the sources that are already existing somewhere such as in journals, magazines, newspapers, books, and more.
