statistical sum的用法和樣例：
例句
- New Zealand climate change information derived by multivariate statistical and artificial neural networks approaches.
用多元統計和人工神經網路法得到的紐西蘭氣候變化信息。 - There is no statistical or mathematical formula to establish the right number of samples to be taken during an audit.
審核的時候，究竟抽樣數量多少是正確的，沒有統計和數學方面的公式可以用來確定。
