What is the Difference Between Graphs and Charts?

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The terms "graphs" and "charts" are often used interchangeably, but they have distinct differences. Here are the main distinctions between the two:

  1. Data representation: Charts are tables, diagrams, or pictures that organize large amounts of data clearly and concisely, while graphs focus on raw data and show trends over time.
  2. Mathematical relationships: Graphs represent the mathematical connections or interrelationships between different data sets, whereas charts represent diagrams where data items relate to the story.
  3. Visual format: Charts can take the form of diagrams, tables, or graphs, while graphs always involve data plotted on a grid with axes representing two variables.
  4. Relationship between variables: Graphs are great at showing how one variable affects another, while charts can represent broader sets of data that may or may not be related.
  5. Use cases: Charts are useful for presenting well-categorized or averaged data, while graphs are more intended for identifying trends or patterns in data sets.
  6. Inclusion: All graphs are a type of chart (a subgroup), but not all charts are graphs.

In summary, graphs are typically used to illustrate the change over time or the relationship between variables, while charts are used to represent data in a visually engaging pattern. The choice between using a graph and a chart depends on the type of data and the story you seek to tell.

Comparative Table: Graphs vs Charts

Here is a table comparing the differences between graphs and charts:

Feature Graphs Charts
Definition A graph is a visual representation of data that uses coordinates to plot points on a grid. A chart, also known as a graph, gives a graphical representation of the data using bars, lines, or sometimes pictures.
Purpose Graphs are used to display detailed data and are more precise than charts. Charts are used to summarize and smooth data for visual effect, making it easy to spot patterns or trends.
Data Presentation Graphs primarily interact with our verbal system, and people typically read and compare values in them. Charts are visual representations that often use symbols, lines, or bars to convey information, making it easy to spot patterns or trends.
Example A line graph showing sales figures over a ten-year period, providing precise dollar amounts. A sales figure bar chart showing the proportion of sales over a period of time, highlighting general trends rather than precise values.

Both graphs and charts are useful ways to display data, but the choice between them depends on the type of data and the desired presentation. Tables and charts can be used together to present data differently and cater to different audiences.