Statistics 5.1.3. Measures of Variation

(9709) CIE A Level Maths 2023 - 2025

1. Revision notes

Key concepts

1. range, interquartile range
2. cumulative frequency graphs
3. box-and-whisker diagrams
4. variance and standard deviation
• grouped data
• ungrouped data
5. coded data

2. Study Powerpoint

*or you can download it here.

* [PDF] Statistics formulae booklet (provided on exam)

3. Exercises (please click)

4. Solutions (please click)