Mathematics A-Level
Standardisation and z-scores
What Standardisation and z-scores means in Mathematics A-Level, as defined for AQA.
Definition of Standardisation and z-scores
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Reference: AQA
Converting the observed sample mean using z = (x̄ − μ0)/(σ/√n), which has a standard Normal distribution.
Topics that use Standardisation and z-scores
- O: Statistical hypothesis testing (AQA A-Level)
Related terms
- Binomial distribution
- binomial hypothesis testing
- Correlation interpretation
- critical region
- Hypothesis testing
- Normal hypothesis testing
- Null hypothesis (H₀)
- One-tailed and two-tailed tests
Using Standardisation and z-scores in the exam
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