AS level Geography graphical skills

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  • Created by: Adam P N
  • Created on: 17-05-17 11:43
Graphical Skills
  • line graphs
    • simple and comparative
      • used in geography 
        • see a trend of one or more factor and how these change over time
      • advantages
        • easy to compare
        • simple
        • don't need much knowledge to understand
        • can be used to predict
      • disadvantages
        • limit to how much data can be shown
        • can become confusing if lots of data shown
    • compound
      • used in geography
        • easily compare change in level of use of items ie non-rewables
      • advantages
        • can compare many different pieces of data
        • easy to see the proportional change
      • disadvantages
        • easy to miss read as it is just the thickness of one line not the height up the scale
        • narrow bars become hard to read
    • divergent  
      • used in geography 
        • compare changes in related factors eg the demographic tranistion model
      • advantages
        • easy to compare the differences
        • simple
        • easy to see a trend
      • disadvantage
        • could follow the wrong line if lines cross
  • bar graphs – simple, comparative, compound and divergent
    • used in geography
      • use discontinous data
    • advantages
      •  can easily compare different data
      • shows trends
      • shows positive - negative variation
    • disadvantages
      • taller bars make shorter bars…

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