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All About Data

  •  English    5     Public
    Introduction about Data
  •   Study   Slideshow
  • Choose people who are easy to reach.
    Convenience
  •  5
  • Divide into clusters (small groups) and study a few whole clusters.
    Cluster
  •  5
  • Divide people into groups (strata) and pick some from each.
    Stratified
  •  5
  • Choose every nth person from a list.
    Systematic
  •  5
  • Everyone has an equal chance of being chosen.
    Random
  •  5