← Data Visualization learning path
Data Visualization · Module 2 of 10

Choosing the right chart

Match chart types to the question you are answering.

📖 Key ideas

  1. Comparison: bar or column chart.
  2. Trend over time: line chart.
  3. Part of whole: stacked bar or (few slices) pie/donut.
  4. Distribution: histogram or box plot.
  5. Relationship: scatter plot.
💡 Real-life example: Choosing a chart is choosing a vehicle: a bike for short trips, a truck for heavy loads.
Bar chartCompares categories
Line chartShows change over time
HistogramShows distribution of numbers
Scatter plotShows relationship between two numbers