Statistics – Extended Subtopics
Select a subtopic and choose Paper 2 (Non-calculator) or Paper 4 (Calculator).
Averages & Range
Mean, median, mode, range and interquartile range; comparing data sets using averages and spread.
Statistical Diagrams
Bar charts, pie charts, pictograms, stem-and-leaf, composite and comparison diagrams, and interpretations.
Histograms
Frequency density, unequal class widths, drawing and interpreting histograms in exam problems.
Cumulative Frequency
Cumulative frequency tables and curves, estimating medians, quartiles, and interquartile range from graphs.
Scatter Graphs & Correlation
Drawing and interpreting scatter graphs, correlation, line of best fit and making predictions from data.