Year 9, Unit 8 – making decisions
The lessons and sequences in this 9-lesson program of learning are designed to allow students to explore standard deviation, the 5-number summary and box plots to help make informed decisions about the data.
Content addressed includes core focus area of Data analysis A.
The Mathematics K–10 Syllabus (2022) is to be taught in Years 3 to 10 from 2024.
Detailed implementation information including key features and resources is available on the Mathematics syllabus development page (NESA).
Introduction
Making decisions – unit of work (DOCX 4.38 MB)
Lesson 1 – revisiting the mean
Revisiting the mean (DOCX 9.83 MB)
Lesson 2 – average from the average
Lesson 3 – who gets to drive?
Lesson 4 – four equal groups
Lesson 5 – IQR and boxplots
Lesson 6 – balls and boxes
Lesson 7 – distracted drivers
- Distracted drivers (DOCX 4.39 MB)
- Distracted drivers spreadsheet part 1 (XLSM 48 KB)
- Distracted drivers spreadsheet part 2 (XLSM 57 KB)
Lesson 8 – temperature's rising
- Temperature's rising (DOCX 4.17 MB)
- Temperature's rising MP4. This video is located at the bottom the page. Please note this video is audioless.
Lesson 9 – what is the data telling us
Watch 'Temperature's rising' (3:13). Please note this video is audioless.
Syllabus
Syllabus outcomes and content descriptors from Mathematics K–10 Syllabus (2022) © NSW Education Standards Authority (NESA) for and on behalf of the Crown in right of the State of New South Wales, 2024.