確かく率りつ標ひょう本ほん

noun

random sample

Technical term in statistics for a sample selected by a random process, ensuring each member of the population has a known chance of inclusion.

• 調ちょう査さでは確かく率りつ標ひょう本ほんを用もちいて母ぼ集しゅう団だんの特とく性せいを推すい定ていした。

  In the survey, we estimated the population characteristics using a random sample.