Support · Mathematics Standard 11–12 – Year 11 · Data analysis
Support Examine the merits of each measure of centre and justify where each measure is most appropriately used
Resources for the prerequisite content of this dot point: earlier-stage (or earlier sub-level) dot points in the same strand that students usually need first. Use these to fill gaps before or alongside the core lesson.
Prerequisite links are draft mappings generated from the syllabus structure (earlier stage, same strand, closest content). They are being reviewed by teachers. Spot a poor match? Tell us.
Prerequisite dot points
Determine and justify the most appropriate measure of centre to summarise the data in its context
Stage 4 · Data analysis Draft mapping
No checked resources on this prerequisite dot point yet.
Compare and explain the relative merits of range and IQR as measures of spread
Stage 5 · Data analysis A Draft mapping
No checked resources on this prerequisite dot point yet.
Identify and explain the impact of outliers on the measures of centre and range
Stage 4 · Data analysis Draft mapping
- Interactive toolStarterMaths Is Fun: OutliersUse it for: Shows how an outlier changes mean and median.
- PhET Center and VariabilityUse it for: Kick a soccer ball to build datasets; see how outliers shift mean, median, range and IQR.