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What Secondary Data?

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Question

What secondary data?

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Solution

The word data means information statistical data and of two types
(i) Primary data, (ii) Secondary data

Secondary data: data which are not originally collected rather obtained from published or unpublished sources are known as secondary data.
Secondary data are collected by an individual or an institution for some purpose and are used by someone else in another context

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Chapter 22: Tabular Representation of Statistical Data - Exercise 22.1 [Page 15]

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R.D. Sharma Mathematics [English] Class 9
Chapter 22 Tabular Representation of Statistical Data
Exercise 22.1 | Q 3.2 | Page 15

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