When we use simple bar chart, multiple bar chart, component bar chart & percentage component bar chart?

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Answer :

Ans: A simple bar chart is used when there is only one variable classified on spatial, qualitative or temporal, in more than one interrelated variables we sue multiple bar chart, simple component bar chart is used when there is variation in different components within each class and percentage component bar chart is used when we want to make a comparison in components holding the difference of total constants.

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