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Tap every statement true of the range

Exercise and reference answers

Questions
  1. Items
    1. Text
      Uses only the two extreme values
      Matches the category
      Yes
    2. Text
      Gives a rough idea of scatter
      Matches the category
      Yes
    3. Text
      Ignores everything in between
      Matches the category
      Yes
    4. Text
      Measures spread about the mean
      Matches the category
      No
    5. Text
      Uses every observation
      Matches the category
      No
    Category
    True of the RANGE

Explanation

It is quick to compute and easily fooled by one extreme value. Source: syllabus Maths, Ch 13 Statistics.
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