Classify the producers of collecting population daa

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.

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