graphs

• scattegram

  • represents the strength and direction of a relationship between co-variables.
  • one co variable on each axis
  • line graph with no line (line of best fit if required)
• •  deals with 

  categorical data which does not necessarily fall into any particular order

  • with gaps
  • x axis (lanscape) discrete catgeory names
  • y axis side one going up (frequencey) how many people in each category
• • A histogram shows continuous data
  • no gaps
  • eg. the number of marks in a psychology mock exam across one year group
  • x axis- scores 10 20 30 40 50 60
  • y axis frequency (how many with each score)