Which of the following is/are sources of secondary data?
i. Government report
ii. Newspaper
iii. Books
iv. Website

Correct option is D

The correct answer is (d) (i), (ii), (iii), and (iv).

Explanation:
Secondary data refers to information that has already been collected, processed, and published by others. It is typically used for research, analysis, or reference. All the given options are valid sources of secondary data.

Sources of Secondary Data:

1. Government Report:

   • Official reports by the government provide reliable secondary data, such as census reports, economic surveys, and statistical handbooks.

2. Newspaper:

   • Newspapers are an important source of secondary data for news, events, and commentary on various topics.

3. Books:

   • Books provide detailed secondary information on various subjects and are often used in academic and professional research.

4. Website:

   • Websites offer a vast repository of secondary data, including research articles, statistical databases, and reports by organizations.

Additional Information:

Primary Data vs. Secondary Data:

• Primary Data: Collected firsthand by the researcher for a specific purpose (e.g., surveys, interviews, experiments).
• Secondary Data: Pre-collected and published data used by researchers, saving time and resources compared to primary data collection.

Common Examples of Secondary Data Sources:

• Public Reports: Census data, annual economic surveys, and international organization reports (e.g., World Bank, UN).
• Media Sources: Articles, news archives, and opinion pieces.
• Research Publications: Journals, white papers, and theses.
• Online Databases: Websites like Google Scholar, government portals, and statistical databases.