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Lower quartile (Q₁) — OCR Mathematics Definition | GradeGen.AI

Courses
Mathematics
Key Terms
Lower quartile (Q₁)

GCSEOCRJ560

Lower quartile (Q₁)

Key term for OCR GCSE Mathematics, used in Data Analysis.

Definition

The value 25% of the way through an ordered data set.

Exam Context

Lower quartile (Q₁) appears in OCR GCSE Mathematics revision content for Statistics, especially Data Analysis and Outliers.

Statistics Data Analysis Outliers

Found in Revision Notes

Statistics

Outliers

Data Analysis • Outliers

Related Key Terms

Anomalous value Bivariate data Cumulative frequency Data cleaning

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Interquartile range (IQR)