Importance of Statistics

Importance of Statistics

Introduction

The statistics today is an indispensable tool for any professional who needs to analyze information in their daily decision making, whether at work or in your personal life. Currently, the environment surrounding the decisions of a financial or management tends to be more demanding. However, the use of statistics as support for decision making is also verified in the ancient world, and evidence of its use are found even in the era before Christ.

History - How statistics was introduced in daily life?

The first contains two censuses of the population of Israel and the second describes the material welfare of the various Jewish tribes. In China there were similar numerical records prior to 2000 BC. The ancient Greeks conducted censuses whose information was used to collect taxes in 594 BC. The Roman Empire was the first government that collected a lot of data on population, surface and income from all the territories under its control. Kings Pepin and Charlemagne ordered to do detailed studies of the properties of the Church in 758 and 762 respectively (Ware & Brewer, 1999). After the Norman conquest of England in 1066, King William I of England commissioned conducting a census (Aldridge & Goldman, 2007). Registration of births and deaths began in England in the early sixteenth century, and in 1662 appeared the first statistically significant study population to headings death in London. A similar study on the mortality rate in the city of Breslau, in Germany, made ??in 1691, was used by the English astronomer Edmund Halley as the basis for the first mortality table. In the nineteenth century, with the spread of the scientific method to study all the phenomena of the natural and social sciences, researchers accepted the need to reduce information to numerical values ??to avoid ambiguity of ...