A pie chart is a graphical representation of data that uses slices to show relative proportions. The total value of all the items in a pie chart adds up to 100%. Each portion is sized according to the quantity it represents. A larger slice means a larger quantity, while a smaller piece indicates a smaller amount. Pie charts are usually used to show classification, such as the different types of expenses incurred in a month. The human brain is hardwired to see patterns and relationships, making pie charts an effective way to show comparisons and trends. These charts can show both nominal (categorical) and ordinal (ranked) data. When used with ordinal data, the slices are usually arranged from the largest to the smallest. While pie charts are easy to understand, they can be challenging to interpret when there are a lot of slices. It can be hard to compare the sizes of pieces that are close together. It's also not easy to see patterns or trends with nominal data. A pie chart should include a title, labels for the different slices, and a legend. The

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