IP AMaths Notes (Upper Sec, Year 3-4): 20) Statistics - Standard Deviation

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08 Nov 2025, 00:00 Z· Last updated 30 Nov 2025

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Marcus Pang·Managing Director (Maths)

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Q: What does IP AMaths Notes (Upper Sec, Year 3-4): 20) Statistics - Standard Deviation cover?
A: Compute mean, variance, and standard deviation for raw and grouped data in IP AMaths.

Standard deviation quantifies spread. Handle both raw datasets and grouped frequencies.

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These statistics tools align with SEAB GCE O-Level Additional Mathematics (4049): population mean/variance/standard deviation for raw and grouped data using class midpoints.

Status: SEAB O-Level Additional Mathematics 4049 syllabus (exams from 2025) checked 2025-11-30 - scope unchanged; remains the reference for this note.