population mean

短语

[计] 总体值 [化] 总体均值; 总体平均值

词形变化

population means 复数 population means

释义与例句

n.
  1. 1.

    The mean (usually arithmetic, but possibly geometric) of all members of a population or all possible values from which a sample can be taken, as opposed to a sample mean.

    数学