“Data used in statistical study is termed as either “Primary” or “Secondary” depending upon whether it was collected specifically for the study in question or for some other purpose.” Explain both the sources of collecting the data in brief. 

Primary data refers to the data that is collected specifically for a particular research study or investigation. It involves the process of gathering firsthand information directly from the source. Primary data collection methods include surveys, interviews, observations, experiments, and questionnaires. Researchers have control over the data collection process, and the data obtained is tailored to meet the specific objectives of the study. Since primary data is collected for a specific purpose, it is typically more accurate and relevant to the research question at hand.

On the other hand, secondary data refers to the data that is already available and has been collected by someone else for a different purpose. Secondary data can be obtained from sources such as government publications, research reports, academic journals, books, databases, and online sources. Researchers utilize secondary data when it is relevant to their research objectives or when primary data collection is not feasible or practical. Secondary data can provide valuable historical, comparative, or contextual information. However, it is important to carefully evaluate the quality and reliability of _____ _______ ____ ____ ______.
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