petrushkagoogol Posted January 2, 2018 Report Share 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 Link to comment Share on other sites More sharing options...
exchemist Posted January 2, 2018 Report Share 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 Link to comment Share on other sites More sharing options...
petrushkagoogol Posted January 3, 2018 Author Report Share 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 Link to comment Share on other sites More sharing options...
exchemist Posted January 3, 2018 Report Share Posted January 3, 2018 SD of Phenotype. Still meaningless. How on Earth do you quantify phenotype? Quote Link to comment Share on other sites More sharing options...
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