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Box plots

Draw box plots from a five-number summary, read them accurately and use the 1.5 × IQR rule to identify outliers.

⏱ 18 min❓ 10 questions

What you'll be able to do

  • ✔I can construct a box plot from a five-number summary on a labelled scale
  • ✔I can calculate the fences Q1 − 1.5 × IQR and Q3 + 1.5 × IQR to decide which values are outliers
  • ✔I can interpret a box plot using the idea that each section holds about 25% of the data

How this works

  1. 1Read the short explanations first — they teach you what you need before each question.
  2. 2Answer each question, then tap Check. A right answer moves you on automatically; if it's wrong, you'll see a friendly explanation of why.
  3. 3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.

What's inside

10 questions and 1 quick teaching card, including:

  • 🔢Number answer — Work out the answer and type the number.
  • ⚖️True or false — Read the statement and decide if it's true or false.

👪Grown-up tip: sit alongside younger learners for the first few lessons. Read the questions together and chat about the explanations — that's where the real learning sticks.

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Curriculum: AC9M10ST02