Data collection and sampling. Averages (mean, median, mode) and range. Charts and graphs (bar charts, pie charts, scatter graphs, frequency tables, histograms — Higher). Cumulative frequency, quartiles, interquartile range (Higher). Critical interpretation of statistics in real-world contexts.
Tested by
- Edexcel IGCSE 4MA1 AO3 (Handling data; 12–18% of grade) — within content area 6 (Statistics and probability)
- AQA GCSE 8300 AO1 applied to the Statistics content domain
- Pearson Edexcel FS Maths L2 — Handling data (Ofqual 2018 §5) — calculate mean, range; interpret and represent data; use probability
Foundation vs Higher
Foundation: averages from lists and frequency tables, simple charts and graphs, scatter graphs and correlation.
Higher: histograms with unequal class widths, cumulative frequency and quartiles, comparing distributions, sampling methods.