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A chart shows only the average although the data has wide variation. What information will viewers miss?

Answer and explanation

Correct answer: Spread and variation in the data

The governing concept is responsible data visualization: a summary measure should not hide important distributional information. Two groups can have the same average while one is tightly clustered and the other is widely spread, with very different levels of consistency and risk. Thus option B is correct. Title size, colour, and source language may affect presentation, but they do not describe the missing statistical variation.

Related tags

AverageVariationData DistributionVisual CommunicationCommunication Skills IArtificial IntelligenceClass 9 Mcq

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