Block 2 Revision
Averages & Quartiles

Variance & Standard Deviation

Comparative Pie Charts

Geometric Mean

Weighed Mean

Standardised Scores

Box and Whisker Plots

Cumulative Frequency Charts

Histograms

Transforming Data

Block 3 Revision
Spearman's Rank

Index Numbers & Base Years

Interpolation & Extrapolation

Equation Of A Line Of Best Fit

Non-Linear Models

Relation & Causality

Moving Averages

Quality Assurance