Mathematics A-Level
Shape descriptors and points of inflection
What Shape descriptors and points of inflection means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Shape descriptors and points of inflection
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Reference: Pearson Edexcel
Points of inflection occur at μ ± σ; reading left to right, the curve changes from convex to concave at μ − σ, and from concave to convex at μ + σ.
Topics that use Shape descriptors and points of inflection
- Statistical distributions (Pearson Edexcel A-Level)
Related terms
- Binomial distribution
- continuity correction
- Cumulative probability
- discrete random variable
- discrete uniform distribution
- Limitations and model criticism
- Mean (μ)
- Model selection and assumptions
Using Shape descriptors and points of inflection in the exam
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