Equations and inequalities

12 Probability

12.1 Mutually exclusive events 12.2 Independent events 12.3 Combined events 12.4 Chance experiments 146 148 150 153

13 Position and transformation

13.1 Bearings and scale drawings 156 13.2 Points on a line segment 160 13.3 Transformations 164 13.4 Enlarging shapes 168

14 Volume, surface area and symmetry

14.1 Calculating the volume of prisms 174 14.2 Calculating the surface area of triangular prisms, pyramids and cylinders 178 14.3 Symmetry in three-dimensional shapes 181

15 Interpreting and discussing results

15.1 Interpreting and drawing frequency polygons

184 15.2 Scatter graphs 189 15.3 Back-to-back stem-and-leaf diagrams 194 15.4 Calculating statistics for grouped data 199 15.5 Representing data 203