ACARA AC9M10ST03, Scatterplots and association

Year 10 · Statistics

Construct scatterplots and describe the association between two numerical variables by strength, direction and linearity.

Below are free printable maths worksheets that support AC9M10ST03. 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 AC9M10ST03 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.

Two-way tables and scatterplots

Year 8 to 10 (ages 13 to 16)

Teaching guide

What students learn

Construct scatterplots and describe the association between two numerical variables by strength, direction and linearity.

How to teach it

Plot paired numerical data as a scatterplot, then describe the association by its strength, direction and whether the pattern is roughly linear.

Worked example

A survey of 48 students found: 11 students both own a pet and have a sibling. 15 students own a pet but do not have a sibling. 8 students do not own a pet but do have a sibling. 14 students neither own a pet nor have a sibling. How many students both own a pet and have a sibling?

Answer: 11

Why: read directly from the survey description

Generated and checked in code, so it is correct.

Watch out for

Reading correlation as cause, and forcing a straight line onto a pattern that is clearly curved.

Statistics worksheets

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Grade 10 Statistics

Set A · PDF · answer key with Pro

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More Year 10 Statistics codes: AC9M10ST01 · AC9M10ST02 · AC9M10ST04 · AC9M10ST05

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