Statistics.
(in a frequency distribution) the smallest quartile; the twenty-fifth percentile; the value of the variable below which one quarter of the elements are located.
Statistics.
(in a frequency distribution) the smallest quartile; the twenty-fifth percentile; the value of the variable below which one quarter of the elements are located.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012