積せき率りつ

noun

moment

Mathematical term for the expected value of a power of a random variable; used in statistics and probability theory.

• 積せき率りつ母ぼ関かん数すうは確かく率りつ分ぶん布ぷの積せき率りつを計けい算さんするのに使つかわれる。

  The moment-generating function is used to calculate the moments of a probability distribution.

• 一いち次じの積せき率りつは平へい均きんを表あらわす。

  The first moment represents the mean.