sbayna08
contestada

What is the difference between primary and secondary data?
Primary data are data that you collect yourself; secondary data are data that others collect.
Primary data are data that other people collect; secondary data are data you collect yourself.
* Primary data are data that cannot be used for research; secondary data are data you can use for research.
O Primary data are data that you can use for research; secondary data are data that cannot be used for research.