IP Maths Notes (Lower Sec, Year 1-2): 09) Data Handling & Statistics
In one line
Construct tables, compute mean/median/mode, interpret box-and-whisker plots, and justify graph choices for IP assignments.
Last updated 30 Nov 2025
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- Start Here
- Learning targets
- 1 Organising data
- 2 Measures of central tendency
Q: What does IP Maths Notes (Lower Sec, Year 1-2): 09) Data Handling & Statistics cover?
A: Construct tables, compute mean/median/mode, interpret box-and-whisker plots, and justify graph choices for IP assignments.
Start Here
| Read time | What to take away |
| 1 second | Clean tables make statistics easier to calculate and explain. |
| 10 seconds | Choose the graph from the data type, then use mean, median, mode, range, quartiles, and correlation language to describe what the data shows. |
| 100 seconds | Use the examples to practise sorting data, building frequency tables, estimating from grouped data, and writing one clear sentence that links the statistic back to context. |
Statistics converts raw data into decisions. Learn how to summarise, display, and interpret data sets with precision.
These notes align with MOE Lower Secondary Mathematics syllabus used in IP pathways (aligned to O-Level Mathematics 4052 foundations).
Status: MOE Lower Secondary Mathematics syllabus (latest release) checked 2025-11-30 - scope unchanged; remains the reference for these lower-sec notes.
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Learning targets
- Build frequency tables, cumulative frequency tables, and histograms.
- Compute mean, median, mode, and range (including grouped data estimates).
- Draw and interpret box plots and scatter plots.
- Write commentary sentences that connect statistics to context.
1 Organising data
1.1 Frequency tables
Example: Scores out of 10 - 5, 7, 8, 5, 6, 9, 7.
| Score |
