Explain the difference between secondary and primary data. Give an e.pdf
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This document explains the difference between primary and secondary data, categorizing them based on who collected the information. Primary data is firsthand, original information collected directly from sources, such as data gathered by students for research projects. In contrast, secondary data refers to secondhand information that has already been collected and processed by others.
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Explain the difference between secondary and primary data. Give an e.pdf
- 1. Explain the difference between secondary and primary data. Give an example of each. Solution There are various methods of classifying data. A general classification is based on who collected the data. Primary data: Primary data are first hand information. This information is collected directly from the source by means of field studies. Primary data are original and are like raw materials. It is the crudest form of information. The investigator himself collects primary data or supervises its collection. It may be collected on a sample or census basis or from case studies.. Examples: Data gathered by a student for their thesis or research project. Secondary data: Secondary data are the Second hand information. The data which have already been collected and processed by some agency or persons and are not used for the first time are termed as secondary data. According to M. M. Blair,