Component Bar Height for Percentage

Question

In a component bar diagram for percentage data, the bar height is:

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Question (English)

In a component bar diagram for percentage data, the bar height is:

  1. Variable depending on data
  2. 100 units ✓ Correct
  3. 50 units
  4. 360 units
Explanation:
Correct Answer Explanation

For percentage data, the bar height in a component bar diagram is 100 units.

Key Points:
  • Each component is shown as a proportion of the 100-unit bar.
  • For absolute value data, height equals the total value of the bar.
  • Proportional heights of components are worked out using unitary method.
  • Smaller components are given priority in partitioning the bar.
Why Other Options Are Wrong
  • A. Variable: For percentage data, it is always 100 units.
  • C. 50 units: This would only represent half the total percentage.
  • D. 360 units: 360° is used in pie charts, not component bar diagrams.

📚 About this Topic — CH-4: Presentation of Data

This multiple choice question is from CH-4: Presentation of Data, NCERT Books, Statistics for Economics. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from CH-4: Presentation of Data to strengthen your preparation.

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