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再谈确定性变量与随机变量江苏仪征市统计局朱庆元一般的统计学原理教材提出：变量按性质可分为确定性变量与随机变量两种。笔者至今不很明白，提出这个问题到底要说明什么。近来，一些统计学者提出，确定性变量也是随机变量，只是它们出现的概率为１００％。提出这种说法...
Talking about certainty variables and random variables Zhu Yiyuan Statistical Bureau of Yizheng City, Jiangsu Province, the general statistical principles of teaching materials: variables by nature can be divided into two kinds of deterministic and random variables. I still do not quite understand, put forward this question in the end to explain what. Recently, some statisticians have suggested that deterministic variables are also random variables, except that they have a probability of 100%. Propose this statement ...