Component Bar Alternative

Data represented by a component bar diagram can also be represented by:

Correct Answer Explanation

Data represented by a component bar diagram can also be represented equally well by a pie chart.

Key Points:

• The only requirement is that absolute values must be converted into percentages before using a pie diagram.
• Both show the relationship between parts and the whole.
• Component bar uses rectangular sub-divisions; pie chart uses circular sectors.
• Both are types of component diagrams.

Why Other Options Are Wrong

• A. Histogram: Histograms show frequency distributions, not component data.
• C. Frequency polygon: Used for grouped frequency distributions.
• D. Ogive: Shows cumulative frequency, not components.