A Level Biology: Descriptive Statistics (Mean, Median, Mode, Range & Standard Deviation)

A Level Biology: Descriptive Statistics (Mean, Median, Mode, Range & Standard Deviation)

AQA Spec | Year 1 & 2 | Maths for Biologists Series

A complete, ready-to-use lesson covering descriptive statistics for A Level Biology, including a full walkthrough of standard deviation—one of the most challenging maths skills for students.

This lesson begins by securely revisiting mean, median, mode, and range, before guiding students step-by-step through how to calculate standard deviation using a clear, click-by-click interactive PowerPoint. It also develops deeper understanding by teaching students how to interpret standard deviation and draw and analyse error bars, fully aligned with the AQA specification.

Designed to support both teaching and independent learning, this resource includes structured explanations, worked examples, and opportunities for consolidation and practice.

Fully resourced, no-prep lesson
Step-by-step modelling of standard deviation calculations
Supports interpretation skills (including error bars)
Includes links to A Level Biology content (Year 1 & 2) and specification mapping
Ideal for class teaching, revision, or self-study

This is Lesson 1 in a “Maths for Biologists” series, covering the ~10% of exam marks linked to mathematical skills in A Level Biology.

Also in the series - 5 more lessons:

Hypothesis testing & significance
Student’s t-test (paired & unpaired)
Chi-squared
Spearman’s rank
Simpson’s Index of Diversity

Perfect for busy teachers and students aiming for top grades, especially in an area that is often under-resourced and difficult to master.