1.1本规程为计算、表达和符号化一些基本统计参数建立了统一标准。 ====意义和用途====== 该实践确保用户以相同的方式执行所有计算，并一致地显示所有结果。

1.1 This practice establishes a uniform standard for calculating, expressing, and symbolizing some basic statistical parameters. ====== Significance And Use ====== This practice assures the user that all calculations are performed in the same manner and that all results are presented consistently.