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Year 8 · Mathematics · Statistics

AC9M8ST02

analyse and report on the distribution of data from primary and secondary sources using random and non-random sampling techniques to select and study samples

The content description above is Australian Curriculum, Assessment and Reporting Authority (ACARA)’s own wording, reproduced unmodified from the Australian Curriculum v9.0, read in August 2026, and licensed CC BY 4.0.

© Australian Curriculum, Assessment and Reporting Authority (ACARA) 2010 to present, unless otherwise indicated. This material was downloaded from the Australian Curriculum website and was not modified. ACARA does not endorse this product and is not affiliated with it.

Taught alongside it

The rest of Statistics in Year 8.

AC9M8ST01

investigate techniques for data collection including census, sampling, experiment and observation, and explain the practicalities and implications of obtaining data through these techniques

AC9M8ST03

compare variations in distributions and proportions obtained from random samples of the same size drawn from a population and recognise the effect of sample size on this variation

AC9M8ST04

plan and conduct statistical investigations involving samples of a population; use ethical and fair methods to make inferences about the population and report findings, acknowledging uncertainty

The same idea, year by year

Where AC9M8ST02 comes from and where it goes, for a student working below or above Year 8.

  1. Year 7AC9M7ST01acquire data sets for discrete and continuous numerical variables and calculate the range, median, mean and mode; make and justify decisions about which measures of central tendency provide useful insights into the nature of the distribution of data
  2. Year 7AC9M7ST02create different types of numerical data displays including stem-and-leaf plots using software where appropriate; describe and compare the distribution of data, commenting on the shape, centre and spread including outliers and determining the range, median, mean and mode
  3. Year 7AC9M7ST03plan and conduct statistical investigations involving data for discrete and continuous numerical variables; analyse and interpret distributions of data and report findings in terms of shape and summary statistics
  4. Year 9AC9M9ST01analyse reports of surveys in digital media and elsewhere for information on how data was obtained to estimate population means and medians
  5. Year 9AC9M9ST02analyse how different sampling methods can affect the results of surveys and how choice of representation can be used to support a particular point of view
  6. Year 9AC9M9ST03represent the distribution of multiple data sets for numerical variables using comparative representations; compare data distributions with consideration of centre, spread and shape, and the effect of outliers on these measures
  7. Year 9AC9M9ST04choose appropriate forms of display or visualisation for a given type of data; justify selections and interpret displays for a given context
  8. Year 9AC9M9ST05plan and conduct statistical investigations involving the collection and analysis of different kinds of data; report findings and discuss the strength of evidence to support any conclusions

Planning against AC9M8ST02?

Daily Work Pad reads codes like this one out of your forward plan and carries them onto your lessons and worksheets. The pilot is invite-only for now.