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Brainlag Learn / GCSE Maths

Statistics and charts

Averages and range, frequency tables, charts and diagrams, scatter graphs and sampling, and (Higher) cumulative frequency, box plots and histograms.

Lessons

  1. Averages and rangeThe mean, median and mode of a list, the range, a missing value from the mean, and comparing two sets of data. 20 min, with the Statistics Calculator, free
  2. Frequency tablesAverages from frequency tables, and estimating the mean of grouped data with midpoints. 25 min, free
  3. Charts and diagramsBar charts, pie charts, stem-and-leaf diagrams, frequency polygons and time series, and how a chart can mislead. 25 min, Plus
  4. Scatter graphs and samplingCorrelation, lines of best fit, outliers, interpolation and extrapolation, populations, samples and bias. 25 min, Plus
  5. Cumulative frequency, box plots and histogramsCumulative frequency graphs, the median and interquartile range, box plots for comparing data, and histograms with frequency density. 25 min, Plus, Higher tier

Practise and test

AQA, Pearson Edexcel and OCR are registered trade marks of their owners. Brainlag Learn is independent: it is not affiliated with or endorsed by any exam board, and every question on it is original.