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Revision Notes

Organisation of Data

ICSE · Class 11 · Economics

Quick revision notes for Organisation of Data — ICSE Class 11 Economics. Key concepts, formulas, and definitions for last-minute revision.

65 questions40 flashcards5 concepts

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Key Topics to Revise

1

1. Classification of Data

  • Classification means grouping data according to identity, similarity, or resemblances.
  • Raw data are the data in their original, unorganised form.
  • Classification simplifies data, removes unnecessary details, and helps comparison.
2

2. Variables and Attributes

  • A variable is a characteristic that changes and can be measured.
  • Variables are of two types: discrete and continuous.
  • Discrete variables take only exact values and are obtained by counting.
3

3. Methods of Quantitative Classification

  • Quantitative classification has two stages: raw data and statistical series.
  • Raw data are unorganised original figures.
  • Statistical series are data arranged in a systematic order.
4

4. Formation of Series and Class Intervals

  • Individual series can be arranged by roll number or by simple array.
  • Simple array may be in ascending order or descending order.
  • In discrete series, tally bars are used to count frequencies easily.

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Key Concepts

Classification is grouping of data accordingRaw data are the dataA variable is a characteristicAn attribute is a characteristicSimple classification shows only one attribute

Frequently Asked Questions

What are the important topics in Organisation of Data for ICSE Class 11 Economics?
Organisation 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 Organisation 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.

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