presentation and display of quantitative data

• what are the 4 ways to display quantitative data

  • tables
  • scattergraphs
  • bar charts
  • histograms
• tables

  • most straight forward way of representing data which.summarised the key descriptive statistics for a data set
  • allows the reader to easily compare the most important vales without needing to interpreting the data
• scattergraph

  • shows correlations between 2 co-variables
  • indicates the degree and direction of the correlation
• zero correlation

  • no distinct relationship between co-variables
• bart chart

  • used to show frequency data for discrete (separate) variables e.g. used to plot mean scores for conditions A,B and C
• histogram

  • bars touch eachother
  • presents continuous data (ages 0-9, 10-19 etc)
  • y axis represents frequency