Skip to main content
Super TutorResources
Chapter 24 of 26
Chapter Summary

Data And Their Representations — Chapter Summary

NIOS · Class 10 · Maths

Summary of Data And Their Representations for NIOS Class 10 Maths. Part of the NIOS Class 10 Maths syllabus. Statistics deals with the collection.

40 questions28 flashcards2 formulas & key relations5 concepts

Interactive on Super Tutor

Studying Data And Their Representations? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for chapter summary and more.

Try Super Tutor — Free

Free trial, no card needed.

A comparison chart explaining the two meanings of 'statistics': as numerical data (plural sense) and as the scientific discipline (singular sense), with examples for each.
Super Tutor

One of 11 illustrations for Data And Their Representations in Super Tutor — alongside flashcards, concept maps and practice questions.

Overview

Statistics deals with the collection, organisation, analysis, and interpretation of numerical data. Data may be raw or arranged, collected directly or taken from other agencies, and presented in tables or graphs for easy understanding. The chapter builds the basic tools of data handling: frequency t

Key Concepts

Statistics has two meanings

Statistics has two meanings: in the plural sense it means numerical data, and in the singular sense it means the branch of mathematics dealing with co

Primary data is collected directly by

Primary data is collected directly by the investigator. Examples include voters' lists and data collected in a census-questionnaire.

Secondary data is collected by other

Secondary data is collected by other governmental or private agencies and used later by another investigator. It must be used with great care because

Raw data is data in its

Raw data is data in its original unorganised form. Arrayed data is raw data arranged in ascending or descending order.

An ungrouped frequency distribution lists each

An ungrouped frequency distribution lists each distinct value and its frequency. A grouped frequency distribution divides the data into class interval

Learning Objectives

  • Understand statistics in both singular and plural senses
  • Differentiate between primary data and secondary data
  • Organise raw data into arrayed data and frequency tables
  • Construct grouped and ungrouped frequency distributions
  • Find cumulative frequency for grouped data

Frequently Asked Questions

What are the important topics in Data And Their Representations for NIOS Class 10 Maths?
Key topics in Data And Their Representations include Statistics and Data Collection, Raw Data, Arrayed Data and Frequency Tables, Class Limits, True Class Limits and Class Mark, Cumulative Frequency. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How should I revise Data And Their Representations for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 40 practice questions on Data And Their Representations. 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.

More resources for Data And Their Representations

All NIOS Class 10 Maths Chapter Summary

For serious students

Get the full Data And Their Representations chapter — start free.

Quizzes, flashcards, an AI doubt solver and a study plan for NIOS Class 10 Maths. Free to start, no card needed.

Try Super Tutor Free
Try this chapter free