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In a diagram, the size of objects changes in proportion to data values rather than their real-world size. For what purpose is this technique useful?

Answer and explanation

Correct answer: To show quantitative differences quickly

The governing concept is proportional data visualization. When an object’s visual size is linked to its numerical value, larger and smaller values can be compared rapidly without measuring each number separately. For example, an object representing 60 units should appear about twice as large as one representing 30 units, subject to the diagram’s scale. This technique does not show physical size, equalize values, or remove explanatory text, so option A is correct.

Related tags

Data VisualizationProportionDiagramQuantitative ComparisonData Interpretation And Basic VisualizationData LiteracyArtificial IntelligenceClass 9 Mcq

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