Charles Darwin was Francis Galton's half-cousin. They were sharing the same grandfather, Erasmus Darwin. Sir Francis Galton was a famous English statistician, polymath, sociologist.
In 1875, Galton started growing sweet peas and he found that group of progeny seeds had a normal curve and the curves were equally dispersed. After these studies, he became the first ever scholar to explain regression toward the mean.
Galton, famously called as Sir Francis Galton was induced by the Evolutionary theories given by his cousin Charles Drawin.
Darwinian theory implies that as the evolution takes place the inferiors are suppressed by the superiors and this process is naturally driven by the environment.
Sir Francis Galton, by measuring the height of hundreds of people later quantified the regression, and was the first to relate mean with the regression.
According to Galton some of the phenotype like height is not directly transferred from the parents to their offspring.
Sir Francis Galton was a polymath, anthropologist and an English explorer who made immense contribution in the field of human intelligence.
Therefore, his study lead to the mathematical notion of Human intelligence.
Learn more about Sir Galton's Theory, here;
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