Central tendencies

    Cards (10)

    • What is the mean?
      The average
    • what is a strength of using the mean?
      + highly representative —> uses all values
    • what is a weakness of the mean?
      easily distorted by extreme values
    • what is the median?
      The middle value
    • what is a strength of the median?
      not effected by extreme values
    • what is a weakness of the median?
      less sensitive than the mean
    • what is the mode?
      most frequent data
    • what is bi-modal data?
      there are two modes
    • what is a strength of using the mode?
      useful when data is in categories
    • what is a weakness of the mode?
      can be unprepresentative
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