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GCSE Statistics · key term
The pattern of data values, showing where values are concentrated and how they are spread out.
Used by Edexcel
Specification 1b.02, 2a.10, 2g.01 · Paper 1, Paper 2
The way data values are spread across values or classes, including where they are concentrated.
Revise: Data grouping implicationsA shorter table can make the distribution clearer: you can see where values are concentrated and spot patterns more easily.
A calculated skew of zero means the mean equals the median; this alone does not prove that every part of the distribution is symmetrical.
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The pattern of values in a dataset, including where they are centred and how widely they are spread.