WHAT IS PRIMARY DATA AND SECONDARY DATA
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Answer:
Primary data: Data collected by the investigator himself/ herself for a specific purpose. Examples: Data collected by a student for his/her thesis or research project. ... Secondary data: Data collected by someone else for some other purpose (but being utilized by the investigator for another purpose).
Raw data, also known as primary data, is data collected from a source. In the context of examinations, the raw data might be described as a raw score.
Secondary data refers to data that is collected by someone other than the primary user. Common sources of secondary data for social science include censuses, information collected by government departments, organizational records and data that was originally collected for other research purposes.