A bar chart is useful when you want to do a quick side-by-side comparison of categorical data (e.g., countries, colors, types of software, modes of transport, marital statuses).

Bar charts and line graphs can be combined. Climate graphs are an example of this. The x-axis shows the months of the year and there are two y-axes to show average temperature and total rainfall.

Charts are graphical representations of data that help you compare and contrast different values, categories, or trends. They can be bar charts, pie charts, line charts, scatter plots, or histograms.

Line graphs can be compared with other visualizations of data, including bar charts, pie charts, and (in trading) candlestick charts, among others. Key Takeaways ...

Nevertheless, across many different types of trend participants consistently thought sales would be lower when the data were presented as bar charts than line graphs or point graphs.