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Syllabus

Collection and Presentation of Data — Syllabus

NIOS · Class 10 · Economics

What Collection and Presentation of Data covers in NIOS Class 10 Economics: 4 topics, for the 2026-27 session.

44 questions41 flashcards5 concepts

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4 Topics · NIOS Class 10 Economics · 2026-27

Topics in Collection and Presentation of Data

1

Meaning and Features of Data

  • Data is quantitative information giving facts in aggregate form.
  • A single fact is not data; data requires an aggregate of facts.
  • Data is always numerical in nature; qualitative words like good, bad, beautiful, or handsome are attributes, not data.
2

Importance of Data in Economics

  • Data are essential in economic planning because past data help prepare future plans.
  • Data are used to determine national income and understand the state of the economy.
  • Government policies are often based on statistical data about poverty, unemployment, population, and literacy.
3

Types of Data and Methods of Collection

  • Data are classified into primary data and secondary data on the basis of source of collection.
  • Primary data are originally collected for the first time for the purpose of the survey.
  • Secondary data are already collected by others and reused.
4

Classification, Variables, Attributes, and Statistical Series

  • Classification is the process of arranging data into classes or groups according to resemblances and affinities.
  • Mass data in original form is called raw data.
  • A variable is data capable of being classified in magnitude of time or size.

Key Concepts

Central concept: Data in economics and its collection, classification, tabulation, and diagrammatic presentation

DataPrimary dataSecondary dataMethods of collecting primary dataClassificationVariableAttributeStatistical series

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Frequently Asked Questions

What are the important topics in Collection and Presentation of Data for NIOS Class 10 Economics?
Key topics in Collection and Presentation of Data include Meaning and Features of Data, Importance of Data in Economics, Types of Data and Methods of Collection, Classification, Variables, Attributes, and Statistical Series. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How should I revise Collection and Presentation of Data for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 44 practice questions on Collection and Presentation of Data. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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