parameter - is a descriptive measure computed from a population, statistic - is a descriptive measure computed from a sample, population - is a complete set where all members of a specified group is contained, sample - is a subset of a population where it represents the entire population, sampling - is a selection of elements derived from the population, which the subject of an investigation or experiment,

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?