When do we use specific graphs?

?
  • Created by: Mary_07
  • Created on: 07-05-17 12:44
View mindmap
  • When do we use specific graphs?
    • Bar chart
      • Used for discrete data, columns do not touch, comparing groups of data, categories, used in experiments or obsevations
    • Histograms
      • Used for continuous data, columns touch, area of the columns show the frequency, requires class boundaries, class width and frequency density
        • Frequency density = frequency / class width
    • Pie Charts
      • Used for discrete data, shows relative contribution to overall total, used for 6 categories or lower, useful when data is showing a %, requires data to be presented as an angle
    • Line Graphs
      • Used for continuous data, comparing 2 or more conditions, looking at changes over time
    • Scatter Graphs
      • Used for continuous data, measuring the relationship between co-variables, shows positive, negative or no correlation
    • Discrete data; the data is in a whole number, e.g. numbers of CD sold
    • Continuous data; data that has a value at each point, e.g. length of a journey in miles

Comments

No comments have yet been made

Similar Psychology resources:

See all Psychology resources »See all Research methods and techniques resources »