The Statistical Enquiry Cycle (PPDAC)

Name and correctly order the five PPDAC stages, and match short investigation scenarios to the stage they describe.

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Learning objective overview

Master Teaching Guide coverage for this objective.

Current NZC (2007)
  • S4-1
  • S3-1
New NZC (2026)
  • NZC26-P4-STA-INT-P-Y9-02
  • NZC26-P4-STA-INT-P-Y10-01
  • NZC26-P4-STA-DKD-K-Y9-03
  • NZC26-P4-STA-VIS-P-Y9-01
  • NZC26-P4-STA-DKD-P-Y9-01
  • NZC26-P4-STA-INT-P-Y9-01

Resources

  • No external resource is currently specified.

Terminology

    Task goals

    • Foundation: Name and correctly order the five PPDAC stages, and match short investigation scenarios to the stage they describe.
    • Proficient: Given a real-world context, write a suitable statistical question and describe an appropriate plan and data-collection method for it.
    • Excellence: Critique a worked statistical investigation write-up, identifying a weak or missing PPDAC stage and justifying how it should be improved.

    Where this fits

    What leads into this objective, and where it goes next.

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    The Statistical Enquiry Cycle (PPDAC)

    The Statistical Enquiry Cycle (PPDAC)

    Do

    Communicating findings in context to answer an investigative question, using evidence

    Statement▸
    Year 9 · Statistics · Interpretation of data
    NZC26-P4-STA-INT-P-Y9-02
    Know

    Statistical questions clearly identify the variable, group of interest, and the intent of an investigation.

    Statement▸
    Year 9 · Statistics · Developing knowledge from data
    NZC26-P4-STA-DKD-K-Y9-03

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