deviation
noun(de-vi-a-tion)
an act or instance of deviating: such as
deviation
noun(de-vi-a-tion)
deflection of the needle of a compass caused by local magnetic influences (as in a ship)
deviation
noun(de-vi-a-tion)
the difference between a value in a frequency distribution and a fixed number (such as the mean)
deviation
noun(de-vi-a-tion)
the mean of the absolute values of the numerical differences between the numbers of a set (such as statistical data) and their mean or median
deviation
noun(de-vi-a-tion)
variance
deviation
noun(de-vi-a-tion)
standard deviation
deviation
noun(de-vi-a-tion)
a measure of the dispersion of a frequency distribution that is the square root of the arithmetic mean of the squares of the deviation of each of the class frequencies from the arithmetic mean of the frequency distribution; also : a similar quantity found by dividing by one less than the number of squares in the sum of squares instead of taking the arithmetic mean
deviation
noun(de-vi-a-tion)
a parameter that indicates the way in which a probability function or a probability density function is centered around its mean and that is equal to the square root of the moment in which the deviation from the mean is squared