Answers

2016-02-25T20:13:34+05:30
Secondary data refers to data that was collected by someone other than the user.

 Primary data, by contrast, are collected by the investigator conducting the research.
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2016-02-25T23:40:56+05:30
Secondary data is collected by third person
primary data is collected by youiwn invesigator.eg teacher an to count trees in garden. primary data

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