Definition:
- Pie charts work by spliting data into distincit groups or categories.
- The size of each group is proportional to how many are in each group compared with the others.
- Most times if you add slices frequency will equal= 100%.
When are pie charts useful?
- To tell at a glance which groups have a high frequency compared with the others.
- Pie charts are less useful if all the slices have similar sizes.
