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Match each measure to how it is built

Exercise and reference answers

Matching pairs
  1. Left
    Range
    Right
    maximum value minus minimum value
  2. Left
    Mean deviation
    Right
    mean of the absolute deviations
  3. Left
    Variance
    Right
    mean of the squared deviations
  4. Left
    Standard deviation
    Right
    the square root of the variance

Explanation

Four measures, four different constructions. Source: syllabus Maths, Ch 13 Statistics.
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