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统计学有几门?按照研究对象来分,应该有三门:一是数理统计学;二是社会经济统计学;三是自然技术统计学。那么,三门统计学的研究对象各是什么呢?“数理统计学是关于收集、整理和分析受到随机性影响的有关数据,从而得出其总体的统计性结论的数学学科。”数理统计学的研究对象是纯数理现象,研究各种随机现象变动的一般统计规律,即从数学意义上来研究其量变的统计规律。数理统计学的发展是从概率论开始的。而概率论的研究过程和方法所得到的一条基本道理,就是随机变量及其所伴随的概
There are three according to the research object, there should be three: First, mathematical statistics; Second, socio-economic statistics; Third, natural and technical statistics. So what are the subjects of the three-door study? “Mathematical statistics is a mathematical discipline that collects, collate, and analyzes data that is affected by randomness to arrive at its overall statistical conclusion.” Mathematical Statistics The research object is a pure mathematical phenomenon, to study the general statistical law of the variety of random phenomena, that is to study the statistical law of quantitative change from a mathematical point of view. The development of mathematical statistics begins with the theory of probability. The probability theory of the research process and methods to get a basic truth, is the random variable and its accompanying