Biology A-Level
statistical significance
What statistical significance means in Biology A-Level, as defined for AQA.
Definition of statistical significance
Check what you remember
Read the wording for your board, then hide it and explain statistical significance in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Whether the difference between observed and expected results is significant, determined by comparing the calculated value with the critical value at p = 0.05.
Topics that use statistical significance
- Inheritance (A-level only) (AQA A-Level)
Related terms
Using statistical significance 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