Representation of data

Worked examples (9)

• 1Building a frequency table from raw data
• 2Reading values from a two-way table
• 3Completing a two-way table
• 4Completing a table when the order is not obvious
• 5Choosing the right denominator for a proportion
• 6Building a two-way table from a description
• 7Comparing two groups of different sizes
• 8Working backwards from percentages
• 9Using a frequency table to find a total quantity

Model answers (9)

• ✓Model answer — 0479 Paper 1 style — 2.1
• ✓Model answer — 0479 Paper 2 style — 2.1
• ✓Model answer — 0479 Paper 1 style — 2.1
• ✓Model answer — 0479 Paper 2 style — 2.1
• ✓Model answer — 0479 Paper 1 style — 2.1
• ✓Model answer — 0479 Paper 2 style — 2.1
• ✓Model answer — 0479 Paper 1 style — 2.1
• ✓Model answer — 0479 Paper 2 style — 2.1
• ✓Model answer — 0479 Paper 1 style — 2.1 (AO2)

Worked examples (9)

• 1Reading a pictogram through its key
• 2Calculating pie chart angles
• 3Choosing the right type of bar chart
• 4Finding frequencies from a pie chart
• 5Plotting a sectional bar chart at cumulative heights
• 6Working out a percentage sectional bar chart
• 7Sizing and drawing comparative pie charts
• 8Testing a claim against a chart
• 9Justifying a representation and naming what it hides

Model answers (9)

• ✓Model answer — 0479 Paper 1 style — 2.2
• ✓Model answer — 0479 Paper 2 style — 2.2
• ✓Model answer — 0479 Paper 1 style — 2.3
• ✓Model answer — 0479 Paper 2 style — 2.2
• ✓Model answer — 0479 specimen Paper 2 Q4(a) style — 2.2
• ✓Model answer — 0479 Paper 1 style — 2.2
• ✓Model answer — 0479 Paper 2 style — 2.2
• ✓Model answer — 0479 specimen Paper 2 Q4(b) style — 2.2, 2.3
• ✓Model answer — 0479 Paper 1 style — 2.3 (AO2)

Worked examples (9)

• 1Reading the regions of a Venn diagram
• 2Reading a box-and-whisker diagram
• 3Building a stem-and-leaf diagram with a key
• 4Comparing and finding proportions within a Venn diagram
• 5Comparing two box-and-whisker diagrams
• 6Constructing a back-to-back stem-and-leaf diagram
• 7Filling a Venn diagram from a written description
• 8From a stem-and-leaf diagram to a box-and-whisker diagram
• 9Choosing the right diagram, and naming its limitation

Model answers (9)

• ✓Model answer — 0479 specimen Paper 1 Q2(a) — 2.2
• ✓Model answer — 0479 specimen Paper 1 Q2(b)(i) — 2.2
• ✓Model answer — 0479 Paper 2 style — 2.2
• ✓Model answer — 0479 Paper 1 style — 2.2
• ✓Model answer — 0479 specimen Paper 1 Q2 style — 2.2
• ✓Model answer — 0479 specimen Paper 2 Q3(b) style — 2.2
• ✓Model answer — 0479 Paper 1 style — 2.2, 2.3
• ✓Model answer — 0479 Paper 2 style — 2.2
• ✓Model answer — 0479 Paper 1 style — 2.3 (AO2)