Statistics is one of the most applied areas of mathematics, with greater use in everyday life. For centuries, it was used unconsciously by people as a merely descriptive character and a record of occurrences. The first uses The first activities were around 2000 BC and were used in the census of Chinese agricultural populations. At the beginning of the 19th century, great mathematicians entered the scene, for example, the Frenchman Simon Laplace and the German Carl Friedrich Gauss (1777 –1855). The latter arises with applications of the “normal distribution” for modeling measurement errors.