Component Bar Diagram Alias

Component bar diagrams are also known as:

Correct Answer Explanation

Component bar diagrams or charts are also called sub-diagrams.

Key Points:

• They are very useful in comparing the sizes of different component parts.
• They throw light on the relationship among integral parts.
• Examples: expenditure pattern (food, rent, medicine, education), budget outlay, components of labour force.
• Component bar diagrams are usually shaded or coloured suitably for distinction.
• For percentage data, the bar height is 100 units.

Why Other Options Are Wrong

• A. Simple bar diagrams: These show only one category per bar without components.
• C. Frequency diagrams: These include histogram, polygon, curve — different category.
• D. Ogive diagrams: These are cumulative frequency curves.