IP EMaths Notes (Upper Sec, Year 3-4): 15) Statistics and Data Handling

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08 Nov 2025, 00:00 Z

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Marcus Pang·Managing Director (Maths)

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Q: What does IP EMaths Notes (Upper Sec, Year 3-4): 15) Statistics and Data Handling cover?
A: Summarise data with mean, median, mode, and cumulative frequency, and interpret scatter plots with correlation language.

Statistics questions reward tidy tables and well-labelled graphs. Document your calculator steps so you can replicate them under exam conditions.

Keep the full topic roadmap handy via our IP Maths tuition hub so you can jump into related drills, quizzes, or diagnostics as you move through these notes.

These notes align with SEAB GCE O-Level Mathematics (4048) content used in IP programmes (exams from 2026).

Status: SEAB O-Level Mathematics 4048 syllabus (exams from 2026) checked 2025-11-30 - scope unchanged; remains the reference for these notes.

Quick reference

Mean of grouped data: $\bar{x} = \dfrac{\sum fx}{\sum f}$

Class	Frequency	Cumulative frequency	Midpoint	$fx$
0-20	6	6	10	60
20-40	12	18	30	360
40-60	10	28	50	500
60-80	7	35	70	490
80-100	5	40	90	450
Total	40			1860

IP EMaths Notes (Upper Sec, Year 3-4): 15) Statistics and Data Handling

Quick reference

Building organised tables

Example table layout

Measures of central tendency

Measures of spread

Worked example - Cumulative frequency percentile

Worked example - grouped data (mean, median, quartiles)

Worked example - comparing box plots

Worked example - scatter plot and correlation

Practice Quiz

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