Statistics.
a measure of dispersion in a frequency distribution, equal to the square root of the mean of the squares of the deviations from the arithmetic mean of the distribution.
[ 1920-25 ]
Statistics.
a measure of dispersion in a frequency distribution, equal to the square root of the mean of the squares of the deviations from the arithmetic mean of the distribution.
[ 1920-25 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012