Mathematics A-Level
sampling distribution of X̄
What sampling distribution of X̄ means in Mathematics A-Level, as defined for WJEC.
Definition of sampling distribution of X̄
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Reference: WJEC
For a sample of size n, the sample mean follows X̄ ~ N(μ, σ²/n).
Topics that use sampling distribution of X̄
Related terms
- critical value comparison
- linear association test
- Normal mean hypothesis test
- population correlation ρ
- Z-test statistic
- exclusion of formula derivation
- linear association scope
- non-linear relationships
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