Pie Chart Mastery Quiz

Pie Charts

• William Playfair is generally credited with creating the earliest known pie chart.

Purpose and Criticism

• The purpose of a pie chart is to display the proportion of each component in a dataset relative to the whole.
• Pie charts have been criticized by many experts for being misleading and difficult to interpret accurately.

Characteristics

• A key characteristic of a pie chart is that the arc length of each slice is proportional to the quantity it represents.

Alternative Plots

• A bar chart or other plots are recommended to replace pie charts in most cases, as they are often more effective at conveying data insights.