performance

• Line graph 


  shows data represented as lines, making it easy to identify trends
• Bar graph 


  data represented so that the height of the bar represents the quantity involved. good for making comparisons
• Pie chart 


  shows data represented in a circle, with each slice of the pie representing a proportion of the whole e.g. market share.
• Line graphs


  benefits

  • good for data shown over time periods
  • good for comparisons

  drawbacks

  • many lines can be confusing
  • assumptions can be made about trends continuing
• Bar charts 


  benefits

  • good for data over 2-3 time periods
  • good for comprising size/number of items

  drawbacks

  • cant be easily used to compare data over many time periods
• Pie charts


  benefits

  • good for showing proportions
  • easily see large differences

  drawbacks

  • cant clearly see small differences
  • cant show trends over a number of years
• Marketing data 


  analysis of sales figures, market research data
• Market data


  analysis of data such as market size, changes in marker size, figures for difference segments
• Limitations of data

  • why trends are happening and causes of trends
  • bias can be in place when interpreting data
  • some numbers will be estimates not facts
• Visual data

  • pie chart
  • line graph
  • bar graph
• quantitative data can be used to

  • monitor performance of the business
  • compare performance with competitors
  • anticipate needs of customers and identify trends
  • make decisions
  • set aims and objectives