Abstract
I THANK Dr. Galton for his explanation (p. 626), which only shows how easy it is to make mistakes in things which appear perfectly trivial. The discrepancy can be accounted for, however, more simply still by the fact that families containing boys only have to be left out of account, and therefore in the families which contain at least one girl there are on an average more girls than boys altogether.
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BRYAN, G. Average Number of Kinsfolk in each Degree. Nature 71, 9 (1904). https://doi.org/10.1038/071009d0
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DOI: https://doi.org/10.1038/071009d0
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