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数据整理了以后,就进入计算阶段。首先要计算的是一些“统计数”,又称“统计量(或常数)”。按性质来分,有四种统计数;(1)表示数据的集中趋势。(2)表示离散趋势。(3)表示数据分布的对称与否。(4)表示高峰的突出与否。本讲仅介绍前两种。 一、数据的集中趋势 表示这种趋势的统计数叫做平均数。但平均数又可因数据的种种转换而有不同的平均法。产生了算术平
After finishing the data, it will enter the calculation phase. The first thing to count is some “statistics”, also known as “statistics (or constants).” By nature, there are four kinds of statistics; (1) indicates the central tendency of data. (2) shows the discrete trend. (3) Indicates the symmetry of the data distribution or not. (4) That highlight the peak or not. This talk only describes the first two. First, the central tendency of the data indicates that this trend is called the average number of statistics. However, the averages may have different averages due to the various data transformations. Produced an arithmetic flat