NCERT · Class 9 · Mathematics · StatisticsA bar graph is a pictorial representation of data in which:
Step-by-Step Solution
In a bar graph, bars of uniform width are drawn with equal spacing between them on one axis (usually horizontal), and the heights of the bars represent the respective values (frequencies).
Detailed Options Breakdown
Option : Bars can have different widths
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Statistics.
Option 1: Height of the bar represents frequency (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: There is no space between bars
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Statistics.
Option 3: Area of the bar represents frequency
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Statistics.
💡 Study Guide: This question tests core syllabus concepts from Statistics. For formulas, key summaries, and mock exam reference guides, read the full Statistics Revision Notes.