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A data graphic represents a larger number of people by enlarging human icons while keeping the number of icons unchanged. Why is this misleading?

Answer and explanation

Correct answer: Area can exaggerate quantity beyond the intended proportion

The governing concept is proportional visual encoding. If an icon is enlarged in both height and width, its visible area grows approximately with the square of the linear size. For example, doubling an icon’s height and width makes its area about four times larger, although the represented count may not have quadrupled. The viewer can therefore overestimate the quantity; using human icons is not automatically wrong.

Related tags

Scaled IconsArea DistortionData VisualizationVisual CommunicationCommunication Skills IArtificial IntelligenceClass 9 Mcq

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