Tables, pictograms, pie charts, stem and leaf and Venn diagrams

Represent data sets pictorially using calculated key values as necessary, and interpret and compare data sets displayed pictorially: tabulation, tally, pictogram, pie chart, stem and leaf diagram, Venn diagram.

Use of two-way tables is expected.
Diagrams should have a key where appropriate.
Stem and leaf diagrams need to be ordered to allow identification of key values.