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Teachers page: Graphing

Curriculum links

Statistics level 2: Statistical Investigations: Collect and display category data and whole number data in pictographs, tally charts and bar charts as appropriate.

Statistics level 3: Statistical Investigations: Collect and display discrete numeric data in stem and leaf graphs, dot plots and strip graphs as appropriate.

Statistics level 4: Statistical Investigations: Choose and construct quality data displays (frequency tables, bar charts, and histograms) to communicate significant features in measurement data.

Primary activities:

  • Drawing pictographs
  • Drawing pie graphs
  • Drawing stem-and-leaf graphs
  • Drawing strip graphs
  • Drawing tally charts



The page Drawing good graphs gives you some tips on what makes a good graph. This page may be useful for both students and teachers. The key to drawing good graphs is to make the graphs easy to read and appropriate for both the information being displayed and the audience who will read the graph.

Statistics New Zealand mostly uses bar graphs, line graphs and strip graphs. The website contains our graphing guidelines, which are free to download. The graphing guidelines look at the best uses of graphics, what should be in a graph, constructing a graph, when to use the different types of graph, and the components of a graph.