GCSE Statistics practice
Higher: every question, including Higher-only content.
Planning and collecting data
- The statistical enquiry cycle and hypotheses14 questions
- Types of data and grouping16 questions
- Primary and secondary data, reliability and validity16 questions
- Populations, sample frames and random samples15 questions
- Stratified and quota sampling15 questions
- Questionnaires, interviews and bias14 questions
- Cleaning data and controlling variables14 questions
Representing data
- Tables, two-way tables and pictograms14 questions
- Bar charts and pie charts15 questions
- Stem and leaf diagrams and Venn diagrams14 questions
- Population pyramids, choropleth maps and comparative diagrams15 questions
- Line graphs, time series and frequency polygons14 questions
- Cumulative frequency14 questions
- Histograms with unequal class widths14 questions · Higher
- Choosing diagrams and spotting misleading ones14 questions
Averages and spread
- Mode, median and mean14 questions · Free
- Averages from frequency tables and grouped data14 questions
- Weighted mean and geometric mean14 questions · Higher
- Range, quartiles, interquartile range and percentiles14 questions · Free
- Box plots and outliers14 questions
- Standard deviation and standardised scores14 questions · Higher
- Skewness and comparing distributions14 questions