dentify and Explain the concept (Any Three) :- [6] 1. Madhav collected information about the monthly expenditure of a family
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Answer:
Madhav collected information about monthly expenditure of a family.
He carefully wrote them in blank sheets.
This type of data collection is known as Primary Data.
The primary data refers to the first hand written credentials which are written by the researcher.
In this case, the monthly expenditure of the family is primary data.
Later, this will be entered into Excel sheets, which would be registered as official records.
This data will be known as Secondary Data.
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