central limit theorem

例句：

1. 1. The central limit theorem states that the average of a large number of independent observations is approximately equal to the population mean.
   中心极限定理表明，大量独立观察值的平均值近似等于总体均值。
2. 2. In statistics, the central limit theorem is used to describe how the distribution of a sample deviates from the population distribution when the sample size is large.
   在统计学中，中心极限定理用于描述样本分布与总体分布偏离的情况，当样本大小较大时。
3. 3. This central limit theorem allows us to make accurate predictions about the behavior of a system when it is subjected to repeated smallperturbations.
   这个中心极限定理使我们能够对系统在受到反复小扰动时的行为做出准确的预测。