what was the original theory of normal distributions where does distribution theories originate? where does normal distribution theory originate what is the basis of the normal distribution theory what is the theoretical basis of normal distributions what is normal distribution theory where does the theory of the distribution originate does normal distribution theory originate in psychology where does normal distribution theory come from where does the idea of normal distribution originate what kind of literature talks about the normal distributions of data where does normal distribution theory originate where does normative distribution theory originate where does normal distribution theory come from where does normal distribution theory originate when did normal distribution theory originate where did the term normal distribution originate? where does normal distribution theory come from which is the origin of the normal distribution theory where did normal distribution theory first appear in the literature and where did it begin