Keywords: Galton-height-regress.png 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 <span class signature-talk >talk</span> 03 07 23 January 2013 UTC 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 Own 2008-03-15 Madprime Please attribute Madeleine Price Ball if used in a commercial context Cc-0 GFDL cc-by-sa-all Francis Galton Regression analysis |