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Positive skew — Edexcel GCSE Statistics Definition | GradeGen

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Statistics
Key terms
Positive skew

GCSE Statistics · key term

Positive skew

Definition

A distribution shape with a longer tail towards higher values, usually shown on the right.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Statistics · 1ST0

Specification 2a.09, 2a.10 · Paper 1, Paper 2

Positive skew: the tail stretches towards higher values, normally to the right.
Revise: Determining skewness
A distribution with a tail towards higher values; values above the median have a greater spread than those below it.
Revise: Interpreting skewness

Edexcel Statistics past papers

Related key terms

Negative skew
Skewness
Distribution
Lower quartile
Median

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Standard deviation

Symmetrical distribution