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Year 9 · Mathematics · Statistics

AC9M9ST04

choose appropriate forms of display or visualisation for a given type of data; justify selections and interpret displays for a given context

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 9.

AC9M9ST01

analyse reports of surveys in digital media and elsewhere for information on how data was obtained to estimate population means and medians

AC9M9ST02

analyse 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

AC9M9ST03

represent 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

AC9M9ST05

plan 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

The same idea, year by year

Where AC9M9ST04 comes from and where it goes, for a student working below or above Year 9.

  1. Year 8AC9M8ST01investigate techniques for data collection including census, sampling, experiment and observation, and explain the practicalities and implications of obtaining data through these techniques
  2. Year 8AC9M8ST02analyse and report on the distribution of data from primary and secondary sources using random and non-random sampling techniques to select and study samples
  3. Year 8AC9M8ST03compare 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
  4. Year 8AC9M8ST04plan 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
  5. Year 10AC9M10ST01analyse claims, inferences and conclusions of statistical reports in the media, including ethical considerations and identification of potential sources of bias
  6. Year 10AC9M10ST02compare data distributions for continuous numerical variables using appropriate data displays including boxplots; discuss the shapes of these distributions in terms of centre, spread, shape and outliers in the context of the data
  7. Year 10AC9M10ST03construct scatterplots and comment on the association between the 2 numerical variables in terms of strength, direction and linearity
  8. Year 10AC9M10ST04construct two-way tables and discuss possible relationship between categorical variables
  9. Year 10AC9M10ST05plan and conduct statistical investigations of situations that involve bivariate data; evaluate and report findings with consideration of limitations of any inferences

Planning against AC9M9ST04?

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.