Difference between primary data and secondary data. Describe the factors that affect the choice of data to be used in investigations .... Hi i know the difference between primary data and secondary data.... give the other one answer
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"Data originally composed in the process of investigation are known as primary data.
On the other hand, Secondary data is the information already collected by others or somebody else and later used by a researcher or investigator to answer their queries in hand.
The factors that affect the choice of data to be used in investigations is authenticity of data, relativity of data and so on.
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