mean deviation

mean deviation

n. In a statistical distribution or a set of data, the average of the absolute values of the differences between individual numbers and their mean.

mean deviation

n 1. (Statistics) the difference between an observed value of a variable and its mean 2. (Statistics) Also: mean deviation from the mean, mean deviation from the median or average deviation a measure of dispersion derived by computing the mean of the absolute values of the differences between observed values of a variable and the variable's mean

mean′ devia′tion

n. Statistics. a measure of dispersion, computed by taking the arithmetic mean of the absolute values of the deviations of the functional values from some central value, usu. the mean or median. Also called average deviation. [1890–95]

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Noun

1.

mean deviation - the arithmetic mean of the absolute values of deviations from the mean of a distributionmean deviation from the meanstatistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parametersdeviation - the difference between an observed value and the expected value of a variable or function

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