variables test

例句：

1. 1.In the study of statistics, variables are tested to determine their impact on outcomes.
   在统计学研究中，变量被测试以确定它们对结果的影响。
2. 2. The researchers conducted a variable tests to understand the relationship between temperature and precipitation.
   研究人员进行了变量测试，以了解温度与降水之间的关系。
3. 3.The experiment was designed to test the hypothesis that certain variables could have an effect on the outcome.
   实验旨在测试假设某些变量可能对结果产生影响。