Demographic statistics against mathematical, probabilities, selections, populations, "vital statistics" of William Фарра and mathematical Carla Pearson. - in this funnily review of history, philosophy, basic conceptions and that, how they are related to the real problems. Based on statistics, made decision every day and influence on our everyday life. From tests on профпригодность, that give to us employers, clothings, that we carry, to the meal that we eat, and even beer that we drink. Knowledge of bases of statistics can even save or prolong lives!