Skip to content

Loading…

Home
Subjects
Past papers
Key terms
Pricing

My courses

Select your courses

Loading…

Subjects

History
Geography
Biology
Chemistry
Physics
Combined Science
Mathematics
Classics
Business
Computer Science
Religious Studies
Statistics
Physical Education
Design and Technology
Food Preparation and Nutrition

Resources

Browse courses
Past papers
Key terms & definitions
Pricing

About

Sign up
Log in
Privacy Policy
Terms of Service

© 2026 GradeGen

Not affiliated with any exam board.

Sector — Edexcel GCSE Statistics Definition | GradeGen

Home
Statistics
Key terms
Sector

GCSE Statistics · key term

Sector

Definition

A part of a circle bounded by two radii and an arc.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Statistics · 1ST0

Specification 2a.01, 2a.02 · Paper 1, Paper 2

Each category receives a sector whose angle is proportional to its frequency.
Revise: Pictorial data representation
A part of a circle bounded by two radii and an arc. Its angle determines the proportion represented in a pie chart.
Revise: Comparative diagrams and pie chart scaling

Edexcel Statistics past papers

Exam tips

1
For a pie chart, show the angle calculation and check that the sector angles total 360°.
2
Compare sector angles for proportions and sector areas for frequencies. A larger angle does not necessarily represent more people.

Related key terms

Comparative pie chart
Frequency
Frequency table
Interquartile range
Intersection

Revise Statistics with GradeGen

Create a free account to read GCSE Statistics revision notes for your exam board and track your progress.

Sign Up to Start Revising Log In