Skip to main content
Super TutorResources
Chapter 16 of 25
QuestionsNotesFlashcardsSummaryFormulasQuizConceptsSyllabusPlan
Chapter Summary

Collection of Data

ICSE · Class 11 · Economics

Summary of Collection of Data for ICSE Class 11 Economics. Key concepts, important points, and chapter overview.

65 questions38 flashcards5 concepts

Interactive on Super Tutor

Studying Collection of Data? 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

1,000+ Class 11 students started this chapter today

Overview

Collection of data is the first step in statistical enquiry. Economic analysis depends on relevant information about income, output, employment, prices, population, and many other variables. Data may be collected directly by the investigator or obtained from existing records. The chapter explains th

Key Concepts

Primary data are original

Primary data are original, first-hand data collected by the investigator for the first time for a specified purpose. They are fresh data collected dir

Secondary data are data collected by

Secondary data are data collected by someone else and used by another person or institution. Published data are necessarily secondary data.

Internal data are obtained from

Internal data are obtained from the internal reports and records of an organisation and remain under its control.

External data are collected from outside

External data are collected from outside the organisation. They may be primary or secondary in nature.

Census method means studying every unit

Census method means studying every unit of the universe. It is also called complete enumeration.

Learning Objectives

  • Understand the meaning of primary and secondary data
  • Distinguish between internal and external sources of data
  • Explain different methods of collecting primary data
  • Compare census method and sampling method
  • Identify major sampling techniques and their features

Frequently Asked Questions

What are the important topics in Collection of Data for ICSE Class 11 Economics?
Collection of Data covers several key topics that are frequently asked in ICSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Collection of Data — ICSE Class 11 Economics?
Understand the core concepts first, then work through the 65 practice questions available for this chapter. Revise formulas and 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 Collection of Data

All 25 chapters — ICSE Class 11 Economics Chapter Summary

For serious students

Get the full Collection of Data chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for ICSE Class 11 Economics.

Try Super Tutor Free
Try the full chapter — Free