Data refers to a collection of numerical and categorical information which could be used to generate insight about a particular subject or research. Hence, the data used by Coca-Cola company are a mix of information from various sources, hence the data are examples of external data.
- When data is collected personally by the researcher on a particular topic, then it is a primary data. However, data not directly from researcher are classified as secondary.
- Single source data describes data from one particular source.
- Here, data is collected from various sources, including publicly available information, Hence, such data is referred to as external data.
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