Mathematics A-Level
inverse Normal calculations
What inverse Normal calculations means in Mathematics A-Level, as defined for WJEC.
Definition of inverse Normal calculations
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Reference: WJEC
Given a cumulative probability p, the corresponding critical value x is found using calculator Inverse Normal functions, or by finding z from tables and solving x = μ + zσ.
Topics that use inverse Normal calculations
- 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
- model critique
- Normal distribution limitations
- Normal distribution probabilities
- points of inflection
Using inverse Normal calculations in the exam
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