Statistical investigations resources

Students complete a bar graph from details about paua diving and answer questions interpreting the data, including finding an average.

Students construct a back-to-back stem-and-leaf graph for heights of trees. They then answer a question on range and make a statement comparing the heights of akeake and kōhūhū.

Students study a table of test results percentages for a range of subjects. Students answer questions involving mean, median, mode and range. They also draw a stem-and-leaf graph.

Students are required to construct a composite bar graph based on Statistics New Zealand Time Use Survey data and are then required to make comparative statements based on gender.

Students construct a back-to-back stem-and-leaf graph of softball throwing distances from two sets of data.

Students choose the best type of graph for a selection of sets of data.

This task requires students to answer questions about a time-series graph for two categories of data over an eight year period.

Students explain the terms discrete and continuous data.

Students identify the appropriate type of graph for a statistical investigation about dice throws. They also justify the use of a histogram for an investigation about heights of people, indicating their understanding of discrete and continuous data.