What is the difference between primary and secondary data?

What is the difference between primary and secondary data?

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What is the difference between primary and secondary data?

Primary data are newly collected facts and figures for a project, whereas secondary data are facts and figures recorded prior to a current project.

 

Primary data relate to the results of marketing efforts, whereas secondary data relate to the effort spent in making sales.

Primary data relate to the effort spent in making sales, whereas secondary data relate to the results of marketing efforts.

Primary data are facts and figures recorded prior to a current project, whereas secondary data are newly collected facts and figures for a project.
 
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