A population parameter is a constant, unchanging value estimated from a sample statistic. 母體參數是一個持續不變的由統計樣本推算出的值。
In the flood insurance, the sample information gotten doesn't accord with the theory requset for the statistical sample. 摘要在洪水保險中,獲得的樣本信息不符合對統計樣本的理論要求。