Year 10 Mathematics Standard · Chapter 12
What the Data Says
Year 10 Mathematics, Standard - NSW Stage 5. What the Data Says, 11 lessons, written to the NSW Mathematics syllabus.
In this chapter
What the guide holds
Every lesson runs the same way: worked examples paired with a your-turn column, a four-stage practice ladder from fluency to exam-style questions, and full worked solutions for every question at the back of the chapter.
Includes three practice examinations on this chapter, sharing no question between them, each with its own worked solutions. Sit one and keep the other two for revision.
11 lessons
Lesson by lesson
- 12.1 Where data comes from
- 12.2 Plots that keep every value
- 12.3 Grouping data into columns
- 12.4 Three ways to say average, and one for spread
- 12.5 Cutting data into quarters, and the value that does not belong
- 12.6 The five-number summary, drawn
- 12.7 Data that arrives over time
- 12.8 Measuring how spread out data is
- 12.9 Two variables, plotted together
- 12.10 Drawing the trend by eye
- Putting it together
Year 10 Mathematics Standard
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Common questions
Questions about this chapter
- What does What the Data Says cover?
- Year 10 Mathematics, Standard - NSW Stage 5. What the Data Says, 11 lessons, written to the NSW Mathematics syllabus.
- How many lessons are in What the Data Says?
- 11 lessons: 12.1 Where data comes from, 12.2 Plots that keep every value, 12.3 Grouping data into columns, 12.4 Three ways to say average, and one for spread, 12.5 Cutting data into quarters, and the value that does not belong, 12.6 The five-number summary, drawn, 12.7 Data that arrives over time, 12.8 Measuring how spread out data is, 12.9 Two variables, plotted together, 12.10 Drawing the trend by eye, Putting it together.
- Is the What the Data Says study guide free?
- This page is free to read, with nothing to buy and no account to make. It sets out what the unit covers. The full guide isn't published online; it's what our tutors teach from in lessons.
- Can BTA tutor Year 10 Mathematics Standard?
- Yes. We tutor Year 10 Mathematics Standard one-on-one at any of our eight academies across five locations, online through Microsoft Teams, or in your home. All three cost the same hourly rate and the first consultation is free.
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