In Excel, which chart type is most appropriate for displaying parts of a whole?

The pie chart is the most appropriate choice for displaying parts of a whole because it visually represents the proportions of different components in relation to the total. Each slice of the pie corresponds to a category, and the size of each slice reflects the quantity of that category compared to the entire data set. This makes it easy to compare relative sizes and see how each segment contributes to the overall total.

In instances where you need to illustrate how different parts compare to one another in terms of percentage or share, a pie chart simplifies this process for the audience. While other chart types, such as line charts or bar charts, provide excellent ways to display trends or comparisons, they don't convey the part-to-whole relationships as effectively as pie charts do. For example, line charts are ideal for showing trends over time and bar charts excel at comparing discrete quantities, but they lack the intuitive visualization of proportions that pie charts offer. Scatter plots, on the other hand, are used for showing the relationship between two variables and are not designed for illustrating parts of a whole at all.