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NCERT Class 11 Economics Chapter 3: Organisation of Data PDF Download

Chapter 3 of Class 11 Economics, Organisation of Data, explains how raw information or data is sorted and grouped to make it meaningful. After collecting data (as discussed in Chapter 2), it becomes important to organise it in a proper structure so that it can be analysed easily. This chapter introduces students to terms like

NCERT Class 11 Economics Chapter 3: Organisation of Data

Chapter 3 of Class 11 Economics, Organisation of Data, explains how raw information or data is sorted and grouped to make it meaningful. After collecting data (as discussed in Chapter 2), it becomes important to organise it in a proper structure so that it can be analysed easily. This chapter introduces students to terms like classification, tabulation, frequency distribution, and more. It’s one of the most practical chapters in the Statistics portion of Economics.

I am writing this article because I’ve noticed that many students collect data but struggle to organise it properly. Whether you’re working on a school project, preparing a case study, or analysing market trends, you’ll need to arrange the data in a clear and logical way. This chapter is important because it teaches how to group data, make it presentable, and identify patterns. These are real-life skills that go beyond exams. Also, understanding how to classify and tabulate data is key for interpreting surveys, charts, and graphs in newspapers and reports. That’s why I feel this chapter deserves proper attention and a handy downloadable PDF for revision.

Key Concepts Covered in Chapter 3

In this chapter, students will learn how to convert a bunch of raw numbers into something meaningful using different methods of organisation.

Main topics include:

  • Meaning of organising data
  • Types of classification – chronological, geographical, qualitative, and quantitative
  • Frequency distribution – inclusive and exclusive
  • Tabulation of data and parts of a table

This chapter also teaches the use of classes, class intervals, tally marks, and how to prepare frequency tables.

Simple Example of Classification

Suppose students in a class scored between 0–100 marks. Instead of listing each mark, we can group them like this:

Marks RangeNumber of Students
0–205
21–4010
41–6012
61–808
81–1005

This type of table helps teachers and students understand the performance trend in just a glance.

Why You Should Not Skip This Chapter

  • It helps in summarising large data sets
  • Makes it easier to identify trends and patterns
  • Essential for graph-making and statistical analysis
  • Develops logical thinking by organising raw facts

If you’re planning to study commerce, economics, or business in college, the skill of data organisation will come in handy. Even in competitive exams, questions related to classification and tabulation are often asked.

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Click Here to Download NCERT Class 11 Economics Chapter 3: Organisation of Data PDF

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NCERT Class 12 Sociology Part 2 Chapter 8: Social Movements PDF Download

Social movements have always been a powerful force for change in society, and NCERT Class 12 Sociology Part 2 Chapter 8 focuses on understanding their forms, causes, and impact. The chapter explains how movements arise, the role of leadership, and how they influence both policies and public opinion. It also discusses the differences between social

NCERT Class 12 Sociology Part 2 Chapter 8: Social Movements

Social movements have always been a powerful force for change in society, and NCERT Class 12 Sociology Part 2 Chapter 8 focuses on understanding their forms, causes, and impact. The chapter explains how movements arise, the role of leadership, and how they influence both policies and public opinion. It also discusses the differences between social movements and other collective actions like protests or campaigns.

I am writing about this topic because students often find it difficult to connect textbook theory with real-life events. This chapter is important as it gives clarity on why social movements occur, how they are sustained, and how they shape society in the long run. Understanding this is not only essential for exam preparation but also for developing awareness as responsible citizens. For instance, movements like the Chipko Movement, Civil Rights Movement, or farmers’ protests are rooted in the same principles discussed in this chapter. By studying this topic, students can relate classroom learning to the real world and also develop critical thinking on social change.

Overview of Social Movements in Sociology

In sociology, social movements are defined as organised efforts by a large group of people to bring about or resist change in society. The chapter categorises movements into different types:

  • Reformist movements – Aim to change specific laws or policies without altering the entire system.
  • Revolutionary movements – Seek to completely change the political, social, or economic order.
  • Reactionary movements – Work towards resisting or reversing changes in society.
  • Redemptive movements – Focus on changing individuals’ lives rather than structural changes.

The NCERT text also explains that social movements have four main stages – emergence, coalescence, bureaucratisation, and decline. Examples like the Dalit movement, women’s rights movements, and environmental movements help students understand these concepts better.

Key Features Discussed in the Chapter

  • Movements can be short-term or long-term depending on their goals and public support.
  • Leadership and organisation play a big role in sustaining the movement.
  • Media often acts as a catalyst by spreading awareness and gathering public opinion.
  • Social movements are different from riots or spontaneous protests because they have a clear objective and planned strategies.

Why This Chapter is Relevant for Students

Understanding social movements helps students not only in sociology but also in subjects like political science, history, and current affairs. It strengthens analytical skills and helps in competitive exams like UPSC, where social change is a key theme.

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Students who want to read the full chapter can download the official NCERT Class 12 Sociology Part 2 Chapter 8: Social Movements PDF from this website:

NCERT Class 12 Sociology Part 2 Chapter 8: Social Movements

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