ACARA AC9M9ST01, Survey reports in the media

Year 9 · Statistics

Analyse survey reports in the media to see how data was gathered and used to estimate population means and medians.

Below are free printable maths worksheets that support AC9M9ST01. Print them as PDFs, or generate a fresh one. Every maths answer key is computed in code, so it is never wrong.

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Deliver a whole lesson on AC9M9ST01 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.

Planning a statistical investigation and critiquing statistical claims

Year 9-10 (ages 14 to 16)

Teaching guide

What students learn

Analyse survey reports in the media to see how data was gathered and used to estimate population means and medians.

How to teach it

Read survey reports in the media and trace how the data was collected and used to estimate population means or medians, questioning the sample and the source.

Worked example

A headline says "Coffee drinkers live longer!" based on a survey of coffee drinkers' ages. What is missing from this study?

Answer: A comparison group of non-coffee-drinkers, without one there is nothing to compare the ages to

Generated and checked in code, so it is correct.

Watch out for

Trusting a headline figure without checking the sample size or who was asked.

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Grade 9 Statistics

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More Year 9 Statistics codes: AC9M9ST02 · AC9M9ST03 · AC9M9ST04 · AC9M9ST05

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Australian Curriculum content descriptions (c) ACARA, used under CC BY 4.0. Descriptions are paraphrased. See australiancurriculum.edu.au.