Primary Data and Secondary Data | Difference between Primary Data and Secondary Data | Statistics

🔴 Primary Data Definition ---

Primary data is the data that is collected for the first time through personal experiences or evidence, particularly for research. It is also described as raw data or first-hand information. The mode of assembling the information is costly, as the analysis is done by an agency or an external organisation, and needs human resources and investment. The investigator supervises and controls the data collection process directly.
The data is mostly collected through observations, physical testing, mailed questionnaires, surveys, personal interviews, telephonic interviews, case studies, and focus groups, etc.

🔴 Secondary Data Definition ---

Secondary data is a second-hand data that is already collected and recorded by some researchers for their purpose, and not for the current research problem. It is accessible in the form of data collected from different sources such as government publications, censuses, internal records of the organisation, books, journal articles, websites and reports, etc.

This method of gathering data is affordable, readily available, and saves cost and time. However, the one disadvantage is that the information assembled is for some other purpose and may not meet the present research purpose or may not be accurate.

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🔴 In this video-
Teacher's Name - CS Payal Popli
Topic - PRIMARY DATA, SECONDARY DATA, DIFFERENCE BETWEEN PRIMARY & SECONDARY DATA

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