Mathematics A-Level
nominal significance level
What nominal significance level means in Mathematics A-Level, as defined for WJEC.
Definition of nominal significance level
Check what you remember
Read the wording for your board, then hide it and explain nominal significance level in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
The stated level such as 5%, which in discrete distributions may be strictly greater than the actual significance level determined by discrete critical regions.
Topics that use nominal significance level
Related terms
- actual significance level
- binomial hypothesis testing
- contextual interpretation
- critical region
- null hypothesis
- p-value
- significance level
- tail probability calculation
Using nominal significance level 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 Mathematics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Mathematics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge