四し分ぶん位い

noun, noun which may take the genitive case particle 'no'

quartile

Statistical term referring to any of the three values that divide a sorted data set into four equal parts. Often used with 第 (だい) to specify first, second, or third quartile.

• データを四し分ぶん位いで分わけて分ぶん析せきする。

  Analyze the data by dividing it into quartiles.

• 第だい1四し分ぶん位いと第だい3四し分ぶん位いの差さを四し分ぶん位い範はん囲いという。

  The difference between the first and third quartiles is called the interquartile range.