ACARA AC9M8ST02, Sampling from sources

Year 8 · Statistics

Analyse and report on data from primary and secondary sources using random and non-random sampling to select and study samples.

Below are free printable maths worksheets that support AC9M8ST02. Print them as PDFs, or generate a fresh one. Every maths answer key is computed in code, so it is never wrong.

Teaching guide

What students learn

Analyse and report on data from primary and secondary sources using random and non-random sampling to select and study samples.

How to teach it

Distinguish primary from secondary data, then use random and non-random sampling to select samples and report on the distribution honestly.

Worked example

Why do statisticians usually study a sample instead of the whole population?

Answer: Studying an entire population is often too costly, slow or impossible; a good sample can still give a reliable estimate

Generated and checked in code, so it is correct.

Watch out for

Treating a biased sample as representative, and not stating where secondary data came from.

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Grade 8 Statistics

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More Year 8 Statistics codes: AC9M8ST01 · AC9M8ST03 · AC9M8ST04

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