circular graph
statistics
Quick Summary
A circular graph, also known as a pie chart, is a type of graph used in statistics to illustrate relative magnitudes or frequencies. It is a circular chart divided into segments by radii, where the size of each sector is directly proportional to the percentage of the whole it represents. This type of graph is commonly used to show the breakdown of items in a budget or to represent part-to-whole relationships, such as the relative populations of different countries. The first known use of a pie chart was in 1922.12
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