Question

explain any two sources of secondary data​

Answer 1

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❥ Sources of secondary data

information collected through censuses or government departments like housing, social security, electoral statistics, tax records. internet searches or libraries. GPS, remote sensing. km progress reports.

Or

❥ Following are the two sources of data:

• Internal Source. When data are collected from reports and records of the organisation itself, it is known as the internal source. ...
• External Source. When data are collected from outside the organisation, it is known as the external source.