Support · Stage 5 · Data analysis C (Path)

Support Examine and evaluate the appropriateness of sampling methods and sample size in reports with statements about a population and how they can affect the results of a survey

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

Define a sample as a subset of units in a population selected to represent all units in a population of interest

Stage 4 · Data analysis Draft mapping

  • Interactive toolStarter
    Maths Is Fun: Sampling
    Maths Is Fun · Interactive (browser) · Free · Link checked 2026-10-15 · No prep
    Use it for: Samples vs populations and sampling methods.
  • Corbettmaths practice questions: Sampling: random
    Corbettmaths · Printable PDF · Free · Link checked 2026-10-15 · Answers included, No prep, Printable
    Use it for: Free printable graded practice questions (with answers) on sampling: random for drill or a quick check.
  • VideoStarter
    Corbettmaths video: Sampling: random
    Corbettmaths · Video · Free · Link checked 2026-10-15 · No prep
    Use it for: Short worked-example video on sampling: random to model the method before practice or for flipped revision.

Calculate the mean (x‾) of a set of data using digital tools

Stage 4 · Data analysis Draft mapping

  • SimulationStarter
    PhET Mean: Share and Balance
    PhET Interactive Simulations · Interactive (browser) · Free · Link checked 2026-10-15 · Hands-on, No prep
    Use it for: Develop the mean as fair share and balance point.

Represent the data using a scatter plot

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.
  • 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 (draw)
    Corbettmaths · Video · Free · Link checked 2026-10-15 · No prep
    Use it for: Short worked-example video on graphs: scatter graphs (draw) to model the method before practice or for flipped revision.