petrushkagoogol Posted January 2, 2018 Report Posted January 2, 2018 Why is the standard deviation (SD) markedly different in two humans of the same age and sex, when compared to say, two Great Apes (again of the same age and sex), who are postulated to be our simian ancestors ? Quote
exchemist Posted January 2, 2018 Report Posted January 2, 2018 Why is the standard deviation (SD) markedly different in two humans of the same age and sex, when compared to say, two Great Apes (again of the same age and sex), who are postulated to be our simian ancestors ? Meaningless. Standard Deviation is a mathematical term, from Statistics, that applies to a normal distribution curve. For it to have any meaning, you need first to say what measurable property of a population you are referring to. Quote
petrushkagoogol Posted January 3, 2018 Author Report Posted January 3, 2018 Meaningless. Standard Deviation is a mathematical term, from Statistics, that applies to a normal distribution curve. For it to have any meaning, you need first to say what measurable property of a population you are referring to. SD of Phenotype. Quote
exchemist Posted January 3, 2018 Report Posted January 3, 2018 SD of Phenotype. Still meaningless. How on Earth do you quantify phenotype? Quote
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