Diagram in the form of a circle in which each modality of a distribution of the data of a qualitative statistical variable occupies one sector of the circle (identified by a percentage or a fraction) where the area is proportional to the frequency of the modality.
Example
Here is some data we gathered by surveying students in a class to find out the number of brothers and sisters in each family. These data are represented on the right in a circle graph. |
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