Statistics
Daily-habit recall for GCSE Statistics, the fastest-growing GCSE in England. Named techniques, precise definitions, and the calculations that come up on every paper. Built for the data-handling content that general Maths revision tools fold in and rush past.
Edexcel · AQA
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~35k
GCSE entries / year
The fastest-growing GCSE in England, up roughly 9% in 2025 and around 96% since 2021. Usually sat alongside GCSE Maths, often in Year 10, as a discrete data-handling qualification that universities and employers value.
2/2
Boards in scope
Edexcel (1ST0) is the dominant spec; AQA (8382) shares the bulk of the content: sampling, averages, diagrams, probability and index numbers. Per-card boards tagging handles the board-specific detail.
High
Fit for spaced repetition
Statistics is precise definitions plus clean, repeatable calculations: stratified vs systematic sampling, discrete vs continuous data, the mean from a frequency table, the interquartile range, index numbers. Our calculation card type, built for Business, transfers across directly.
What's covered
Definitions, diagrams and clean calculations, spec-anchored.
GCSE Statistics rewards students who can name the right technique and execute the calculation under time pressure. Educator's recall mechanic turns 'something about sampling' into 'stratified (proportional by subgroup) every time'.
The Statistical Enquiry Cycle
- ✓Stages of the enquiry cycle
- ✓Hypotheses and planning an investigation
- ✓Cleaning data and dealing with problems
Collecting Data
- ✓Random, systematic, stratified, quota and cluster sampling
- ✓Populations, sampling frames and censuses
- ✓Questionnaires, interviews and sources of bias
- ✓Experiments, reliability and validity
Representing Data
- ✓Histograms and frequency density
- ✓Cumulative frequency and box plots
- ✓Pie charts, stem and leaf, population pyramids
- ✓Choosing (and spotting misleading) representations
Summarising Data
- ✓Mean, median and mode
- ✓Quartiles, percentiles and outliers
- ✓Standard deviation and standardised scores
- ✓Skewness, weighted and geometric means
Correlation & Regression
- ✓Scatter diagrams and lines of best fit
- ✓Spearman's rank and Pearson's coefficients
- ✓Interpolation, extrapolation and regression
Index Numbers & Time Series
- ✓Simple, weighted and chain base index numbers
- ✓Time series and moving averages
- ✓Quality assurance and control charts
- ✓Capture-recapture estimation
Probability
- ✓Relative frequency and expected frequency
- ✓Tree diagrams, Venn diagrams and two-way tables
- ✓Conditional probability and independence
- ✓The binomial and normal distributions
Spec-faithful, sourced and fact-checked. 406 cards cover the statistical enquiry cycle; collecting data (random, systematic, stratified, quota and cluster sampling; primary vs secondary; questionnaire design and bias); processing data (mean, median, mode, range, quartiles and the interquartile range, standard deviation, weighted means); representing data (histograms with unequal intervals, cumulative frequency, box plots, stem-and-leaf, scatter graphs, time series and moving averages); index numbers (RPI, CPI, chain base); probability (tree and Venn diagrams, expected frequency); correlation and regression (line of best fit, Spearman's rank); and quality assurance (control charts and the normal distribution).
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