MEAN DEVIATION Definition & Meaning

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mean deviation

noun

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, usually the mean or median.

mean deviation

noun

the difference between an observed value of a variable and its mean
Also: mean deviation from the mean.�� mean deviation from the median.�� 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 deviation

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

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51�Թ� History and Origins

Origin of mean deviation¹

First recorded in 1890–95

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Example Sentences

Examples have not been reviewed.

If the refracting angle of the prism is small, then the ratio of the dispersion to the mean deviation of the two rays is the dispersive power of the material of the prism.

From

meander line mean distance

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