Statistics
Data done properly: averages, charts and what they really mean.
01Averages and rangeMean, median, mode and range, and which average suits which situation.Read lesson →02Charts and graphsBar charts, pie charts, frequency diagrams and pictograms, drawn and read accurately.Read lesson →03Scatter diagramsPlotting paired data, spotting correlation, and drawing a line of best fit.Read lesson →04Interpreting data honestlyReading claims critically and spotting misleading scales and cherry-picked averages.Read lesson →