無む作さく為い抽ちゅう出しゅつ

noun

random sampling

Technical term in statistics for selecting a sample from a population such that every member has an equal chance of being chosen.

• 調ちょう査さでは無む作さく為い抽ちゅう出しゅつで回かい答とう者しゃを選えらんだ。

  In the survey, respondents were selected by random sampling.