What is the practical significance of statistics?

Statistics plays an increasingly important role in modern management and social life. With the development of society, economy and science and technology, statistics play an increasingly important role in modern state management, enterprise management and social life. People's daily life and all social life are inseparable from statistics.

Statistics is a very old science. It is generally believed that its theoretical research began in Aristotle's time in ancient Greece and has a history of more than 2300 years. It originated from the study of social and economic problems. In the development process of more than 2,000 years, statistics has experienced at least three stages of development: city-state politics, political arithmetic and statistical analysis science.

The so-called "mathematical statistics" is not a new discipline independent of statistics. To be exact, it is the general name of all the new methods of collecting and analyzing data formed in the third development stage of statistics. Probability theory is the theoretical basis of mathematical statistics, but it belongs to mathematics rather than statistics.

The trend of combining statistics and mathematics in the stage of expanding data "political arithmetic" has gradually developed into "statistical analysis science"

/kloc-At the end of 0/9th century, the names of courses offered by European universities such as "Outline of National Conditions" or "Political Arithmetic" gradually disappeared and were replaced by "Statistical Analysis Science". At that time, the course content of "Statistical Analysis" was still to analyze and study social and economic problems.

The emergence of the course "Statistical Analysis Science" is the beginning of the development stage of modern statistics. 1908, a student (pen name William Sleey Gosset) published a paper on T distribution. This is an epoch-making article in the history of statistics development, which pioneered the method of replacing large samples with small samples and opened a new era of statistics.

Belgian statistician Adolf Quelley is the first representative of modern statistics. He widely applied statistical analysis science to social science, natural science and engineering technology science, because he was convinced that statistics could be used as a general research method to study any science.

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