Biology A-Level
Standard deviations
What Standard deviations means in Biology A-Level, as defined for AQA.
Definition of Standard deviations
Check what you remember
Read the wording for your board, then hide it and explain Standard deviations in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
They show the spread of data around a mean and are not a formal significance test.
Topics that use Standard deviations
- Mass transport in animals (AQA A-Level)
Related terms
- affinity
- affinity for oxygen
- atrial systole
- Atrioventricular valves
- biconcave disc
- Biological drawing conventions
- Bohr effect
- Causation
Using Standard deviations in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge