Paper 2 · Statistics
⏱ Tested in 1 exam question since 2025
Lesson 7 of 21
Statistics 7 – Skewed data
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- Recognise normal, left-skewed and right-skewed distributions from their shape
- Order mean, median and mode for skewed data (mode at peak, mean pulled to the tail)
- Name the skew after the tail direction, not where the bulk of the data sits
- Decide from mean vs median whether the empirical rule (Stats 8) may be applied
Most recent exam questions
- 2025 Paper 2 Q4(b) — mean vs median behaviour under a change to the extremes — the mean is sensitive to all v…
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