Home > Statistics > Good teaching > Statistical investigations > Semi-structured statistical investigations
In a semi-structured investigation, the context and focus are determined by the task.
The basic outline of the investigation is determined by the task but students are required to make some choices relevant to the context.
Year 8: Investigate the effect of individual data values, including outliers, on the mean and median
Year 8: Explore the variation of means and proportions of random samples drawn from the same population
Year 9: Compare data displays using mean, median and range to describe and interpret numerical data sets in terms of location (centre) and spread
Year 10: Construct and interpret box plots and use them to compare data sets