Topic summary · Student revision
Handling Data 4 summary
Handling Data 4 revision mixes histograms, probability language and exam-style data problems.
Files: Handling Data 4.pdf · Handling Data 4 solutions.pdf · free public downloads · diagrams in the PDFs
Key learning points
- Frequency density = frequency ÷ class width.
- Bar area represents frequency on a histogram.
- Combine statistical literacy with probability wording.
- Critique misleading graphs.
Worked example 1 — Density
Class width 5, frequency 20. Density?
Working
Divide frequency by width.
Worked example 2 — Frequency density = frequency ÷ class width
Use this method from the Handling Data 4 sheet: Frequency density = frequency ÷ class width.
Working
Each key learning point matches a question type on the printable worksheet.
Worked example 3 — Bar area represents frequency on a histogram
Use this method from the Handling Data 4 sheet: Bar area represents frequency on a histogram.
Working
Each key learning point matches a question type on the printable worksheet.
Worked example 4 — Combine statistical literacy with probability wording
Use this method from the Handling Data 4 sheet: Combine statistical literacy with probability wording.
Working
Each key learning point matches a question type on the printable worksheet.
Worked example 5 — Critique misleading graphs
Use this method from the Handling Data 4 sheet: Critique misleading graphs.
Working
Each key learning point matches a question type on the printable worksheet.
Scaffolded Learning Sheet and answers (PDFs)
This page is a short, searchable overview for revision and search engines. Use the Scaffolded Learning Sheet first, then the Answers PDF for a full written solution. The printable PDFs remain the main classroom resource.