I am declaring this to be CC0. Although you are not legally required to do so, I would appreciate if you credit me (Madeleine Price Ball) when using my work. --Madeleine (talk) 03:07, 23 January 2013 (UTC)
描述Galton-height-regress.png
Based on Galton's original 1889 graph in "Natural Inheritance" page 96. Circles with sizes proportional to the data from table 11 (page 208) have been added.
== Summary == {{Information |Description=Based on Galton's original 1889 graph in "Natural Inheritance" page 96. Circles with sizes proportional to the data from table 11 (page 208) have been added. |Source=self-made |Date=2008-03-15 |Author= [[User:Madpr