Mathematics A-Level
population correlation ρ
What population correlation ρ means in Mathematics A-Level, as defined for WJEC.
Definition of population correlation ρ
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Reference: WJEC
The correlation coefficient in the population about which hypotheses are formulated, with H₀: ρ = 0 against H₁: ρ > 0, ρ < 0, or ρ ≠ 0.
Topics that use population correlation ρ
Related terms
- critical value comparison
- linear association test
- Normal mean hypothesis test
- Z-test statistic
- exclusion of formula derivation
- linear association scope
- non-linear relationships
- PMCC interpretation
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