Statistics.
a quantity formerly used as a measure of variability: equal to 0.6745 times the standard deviation. A normally distributed population has half of its elements within one probable error of the mean.
[ 1805-15 ]
Statistics.
a quantity formerly used as a measure of variability: equal to 0.6745 times the standard deviation. A normally distributed population has half of its elements within one probable error of the mean.
[ 1805-15 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012