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Sum of squared rank differences — Edexcel GCSE Statistics Definition | GradeGen

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Statistics
Key terms
Sum of squared rank differences

GCSE Statistics · key term

Sum of squared rank differences

Definition

The total obtained by squaring each rank difference and then adding the results, written $\sum d^2$ .

Used by Edexcel

How each exam board covers it

Edexcel GCSE Statistics · 1ST0

Specification 2e.05 · Paper 1, Paper 2

Revise: Spearman's rank correlation

Edexcel Statistics past papers

Related key terms

Paired data
Rank
Rank difference
Spearman's rank correlation coefficient

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