physical fieldwork:river darent

• What are the advantages and disadvantages of scatter graphs?


  Advantages:

  • Spot patterns
  • Identify anomalies

  
  

  Disadvantages:

  • Difficult to interpret
  • May be graphical
• What are the advantages and disadvantages of pictograms?


  Advantages:

  • Easy to understand
  • Good for comparing
  • Visually appealing
  • Data can be combined

  
  

  Disadvantages:

  • Not detailed
  • Decreases understanding
  • Too simple
  • Difficult to show exact quantities
• What does SMART stand for in data collection?


  Specific, Measurable, Achievable, Relevant, Time bound
• Why is SMART important in data collection?


  It reduces the likelihood of future risks and estimates success
• What are the types of sampling methods?

  • Random
  • Systematic
  • Stratified
• What is the difference between quantitative and qualitative data?


  Quantitative data:

  • Numerical and measured

  
  

  Qualitative data:

  • Non-numerical, includes interviews and focus groups
• What is the mode in data analysis?


  The value that appears most frequently
• What is the median in data analysis?


  The middle value in a sorted list
• What is the range in data analysis?


  The highest number minus the lowest number