1. 随机变数：variance ratio test 方差比检定 | variate 随机变数 | variation 变差
2. 随机变量：variant 变异体 | variate 随机变量 | variation 变异
3. 随机值：variant record 变体记录 | variate 随机值 | variation 变化
noun
1. a variable quantity that is random
Synonym: random variable variant stochastic variable chance variable