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Which number would you quote?

Exercise and reference answers

Items
  1. Item
    Typical marks in the class
    Category
    Quote an average
  2. Item
    Where the scores centre
    Category
    Quote an average
  3. Item
    How consistent the scores were
    Category
    Quote a spread
  4. Item
    How far apart the best and worst were
    Category
    Quote a spread
Categories
  1. Item
    Quote an average
  2. Item
    Quote a spread

Explanation

Different questions want different statistics. Source: syllabus Maths, Ch 13 Statistics.
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