Advertisement

Define primary data.


If we are collecting data from its source of origin, for the first time, it is primary data.
514 Views

Advertisement

In India the population census is carried out in every :

  • Three years

  • Five years

  • Ten years

  • Ten years


What are the principal sources of data ?

What type of data involves less time and less expenses ?

Define secondary data.

First 10 11 12 Last
Advertisement