Types of Graphs

Circle Graphs


  • Sometimes called pie graphs
  • usually show parts of a whole
  • not used to show change overtime
  • Example: percentage results



Line Graphs (x-y plots)



  • can be used to track change over time
  • used to compare the relationship between 2 things
  • if both variables increasing → positive relationship
  • if both variables decreasing → negative relationship



Bar Graphs



  • show large changes over time
  • compare things between different groups
  • Example: voting results