Data which have already been collected in a previous study are called data, while data that are generated by a phone survey this month of key customers are called data. A. primary; secondary B. primary; intranet C. secondary; primary D. secondary; experimental E. intranet; sample

The correct answer is letter C. secondary; primary.

Explanation:

Secondary data are data collected from studies, researches, or experiments carried out by other researchers, or for other studies. That means we would be using books, journals, and other sources to find already existing data that matter for the study we are conducting now. On the other hand, primary data are obtained from first-hand sources such as interviews, experiments or surveys. If, for instance, we call a group of customers and ask them questions concerning a certain product, we would be gathering primary information.

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