以 美国某气象站 1894~2010 年连续的年降水量 为例,该变量是离散型随机变量 ( X ) ,其数学期望值( Mathematical Expectation , ME )等于其平均值( Mean , M )。那么,我们要计算该变量数学期望( ME )和标准差( Standard Deviation , STD )在不同显著水平( α )下的 ...
Universally, scientific papers need to cite others’ work in the text, sometimes as (Author, Year), as well as Author(Year). But, not everyone has known how to display as Author (Year), like me, I have fixed the question. Let me show it slowly. Endnote X6 and Word 2010 had installed on my m ...