Support · Mathematics Standard 11–12 – Year 12 – Standard 2 · Bivariate data analysis

Support Calculate and interpret Pearson’s correlation coefficient (r) for a bivariate dataset using a scientific calculator to quantify the strength of a linear association between the two variables

Resources for the prerequisite content of this dot point: earlier-stage (or earlier sub-level) dot points in the same strand that students usually need first. Use these to fill gaps before or alongside the core lesson.

Prerequisite links are draft mappings generated from the syllabus structure (earlier stage, same strand, closest content). They are being reviewed by teachers. Spot a poor match? Tell us.

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Prerequisite dot points

Distinguish between situations involving 1- variable and 2-variable (bivariate) data and explain when each is needed

Stage 5 · Data analysis B Draft mapping

No checked resources on this prerequisite dot point yet.

Calculate the range and population standard deviation σ of a dataset using a scientific calculator or other digital tools

Mathematics Standard 11–12 – Year 11 · Data analysis Draft mapping

No checked resources on this prerequisite dot point yet.

Describe informally the association between 2 numerical variables and apply terminology about form (linear), strength (strong, moderate or weak) and direction (positive or negative)

Stage 5 · Data analysis B Draft mapping

  • Interactive toolStarter
    Maths Is Fun: Scatter plots
    Maths Is Fun · Interactive (browser) · Free · Link checked 2026-10-15 · No prep
    Use it for: Explains scatter plots and correlation with a questions section.
  • SimulationEnrichment
    PhET Curve Fitting
    PhET Interactive Simulations · Interactive (browser) · Free · Link checked 2026-10-15 · Hands-on, No prep
    Use it for: Compare lines of best fit on scatter data.
  • SimulationStarter
    PhET Least-Squares Regression
    PhET Interactive Simulations · Interactive (browser) · Free · Link checked 2026-10-15 · Hands-on, No prep
    Use it for: Draw a line of best fit by eye and compare with the calculated one.
  • Corbettmaths practice questions: Graphs: scatter graphs (draw)
    Corbettmaths · Web page · Free · Link checked 2026-10-15 · Answers included, No prep, Printable
    Use it for: Free printable graded practice questions (with answers) on graphs: scatter graphs (draw) for drill or a quick check.
  • WorksheetDrill
    Kuta free worksheet: Scatter plots
    Kuta Software · PDF · Printable PDF · Free · Link checked 2026-10-15 · Answers included, No prep, Printable
    Use it for: Printable skills-practice sheet with answer key on scatter plots; good for drill or homework.
  • VideoStarter
    Corbettmaths video: Graphs: scatter graphs (correlation)
    Corbettmaths · Video · Free · Link checked 2026-10-15 · No prep
    Use it for: Short worked-example video on graphs: scatter graphs (correlation) to model the method before practice or for flipped revision.