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Class 11 Economics — Chapter 2: Collection of Data

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Chapter Summary

--- PAGE 1 --- CHAPTER 2 11098CH02 Collection of Data NCERT published Studying this chapter should chapter, you will study the sources of enable you to: data and the mode of data collection. • understand the meaning and The purpose of collection of data is to purpose of data collection; show evidence for reaching a sound and • distinguish between primary and clear solution to a problem. secondary sources; In economics, you often come • know the mode of collection of data;across a statement like this, • distinguish between Census and “After many fluctuations the output Sample Surveys; of food grains rose to 132 million tonnes • be familiar with the techniques of in 1978-79 from 108 million tonnes in sampling; 1970-71, but fell to 108 million tonnes • …

Practice Questions from this Chapter

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  1. Define primary data simply. Get Solution →
  2. Design a quick survey. Get Solution →
  3. Find real-world data examples. Get Solution →
  4. What is data collected by a researcher for the first time for a specific purpose called? Get Solution →
  5. Data that has already been collected and processed by another agency is known as what? Get Solution →
  6. According to the text, what is the most common type of instrument used in surveys? Get Solution →
  7. When there are only two possible answers to a question, such as 'yes' or 'no', what is it called? Get Solution →
  8. In statistics, what are values that can change, often represented by letters like X, Y, or Z, called? Get Solution →

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Frequently Asked Questions

How many topics are covered in this chapter?

This chapter covers 6 key topics: Introduction to Data in Economics, Sources of Data: Primary vs. Secondary, Survey Method for Data Collection, Designing a Questionnaire, Principles of Question Phrasing, and more. The BrainWeave AI tutor explains each one with examples.

Is Chapter 2: Collection of Data important for board exams?

Class 11 is a foundation year. Mastering this chapter now will help you build strong fundamentals for the higher classes.

Can I get NCERT solutions for this chapter in Hindi?

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