statistics
Statistics is based on statistical practice, since the mid-17th century and gradually developed a social discipline. It is a study of how to measure, collect, organize, summarize and analyze data that reflects the overall number of objective phenomena in order to give a correct understanding of methodological science that is widely applied to various disciplines, from natural sciences and social sciences to humanities , And even used to business and government intelligence decision-making on. For example, from a set of data, you can summarize and describe the concentration and discretization of the data, which is called descriptive statistics. In addition, the observer in the form of data, to establish a mathematical model to explain its randomness and uncertainty, in order to infer the steps and the mother of the study, this usage is called inference statistics. Both of these uses can be called application statistics. Mathematical statistics is the subject of discussion behind the theoretical basis. ...