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    Mathematics A-Level

    Type II error

    What Type II error means in Mathematics A-Level, as defined for WJEC.

    Definition of Type II error

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    Reference: WJEC

    Occurs when H₀ is not rejected (accepted) when H₀ is in fact false, so an alternative parameter value p₁ applies.
    WJEC · Statistical hypothesis testing (AS Unit 2: Applied Mathematics A)

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