Mathematics A-Level
symmetry and area
What symmetry and area means in Mathematics A-Level, as defined for WJEC.
Definition of symmetry and area
Check what you remember
Read the wording for your board, then hide it and explain symmetry and area in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
The Normal distribution is symmetrical about mean μ, and the total area under both density curves equals 1.
Topics that use symmetry and area
- Statistical distributions (A2 Unit 4: Applied Mathematics B) (WJEC A-Level)
Related terms
- binomial to Normal approximation
- continuous uniform distribution
- continuous uniform suitability
- distribution selection
- inverse Normal calculations
- model critique
- Normal distribution limitations
- Normal distribution probabilities
Using symmetry and area in the exam
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