Edexcel GCSE Statistics · 1ST0
Specification 2a.01 · Paper 1, Paper 2
Revise: Pictorial data representationA pie chart represents the whole data set as a circle. Each category receives a sector whose angle is proportional to its frequency.
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GCSE Statistics · key term
A collection of items satisfying a stated condition.
Used by Edexcel
Specification 2a.01 · Paper 1, Paper 2
Revise: Pictorial data representationA pie chart represents the whole data set as a circle. Each category receives a sector whose angle is proportional to its frequency.
Compare proportions rather than just frequencies when the data sets have different totals.
In a Venn diagram, a set total includes the overlap. Fill the overlap first, then calculate the ‘only’ regions.
Include clear labels and a key where needed. A Venn diagram also needs a rectangle representing the whole data set.
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