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    Biology A-Level

    Simpson's Index formula

    What Simpson's Index formula means in Biology A-Level, as defined for OCR.

    Definition of Simpson's Index formula

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    Reference: OCR

    D = 1 − Σ(n/N)², where n is the number of individuals of each species and N is the total number of individuals of all species.
    OCR · Biodiversity (study guide)

    Topics that use Simpson's Index formula

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