← Statistics syllabus

EnglandStatistics

Processing, representing and analysing data

4 dot points across 4 inquiry questions. Click any dot point for a focused answer with worked past exam questions where available.

How do cumulative frequency graphs and box plots show the median, quartiles and spread?

Cumulative frequency diagrams (discrete and grouped); estimating the median, quartiles and percentiles; box plots; comparing distributions using box plots and the interquartile range.
A focused answer to Edexcel GCSE Statistics on cumulative frequency diagrams and box plots, covering plotting cumulative frequency, estimating the median, quartiles and percentiles, drawing box plots, and comparing distributions using the median and interquartile range.
10 min answer →

How do histograms display continuous data, and why is area the key idea?

Histograms for continuous data with equal and unequal class widths; frequency density; using area to represent frequency; estimating frequencies within a class; correct use of class boundaries.
A focused answer to Edexcel GCSE Statistics on histograms, covering continuous data and class boundaries, equal and unequal class widths, frequency density, why area represents frequency, and estimating frequencies within a class interval at Higher tier.
9 min answer →

Which charts and graphs display which data, and how do you compare data sets with them?

Bar charts (including multiple and composite), line graphs, frequency polygons, population pyramids and choropleth maps; representing, interpreting and comparing data sets shown graphically.
A focused answer to Edexcel GCSE Statistics on charts and graphs, covering simple, multiple and composite bar charts, line graphs, frequency polygons, population pyramids and choropleth maps, and how to interpret and compare data sets displayed graphically.
9 min answer →

Which tables and diagrams suit which data, and how do you read and compare them?

Tabulation, tally, two-way tables, pictograms, pie charts, stem and leaf diagrams and Venn diagrams; choosing and justifying an appropriate representation; spotting misleading diagrams.
A focused answer to Edexcel GCSE Statistics on tabulation and diagrams, covering tally charts, two-way tables, pictograms, pie charts, stem and leaf and Venn diagrams, choosing and justifying an appropriate representation, and recognising misleading graphs.
9 min answer →