Mean deviation may refer to:
Statistics
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Mean signed deviation
In statistics, the mean signed difference (MSD), also known as mean signed deviation and mean signed error, is a sample statistic that summarises how well a set of estimates \hat_i match the quantities \theta_i that they are supposed to estimate. ...
, a measure of central tendency
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Mean absolute deviation
The average absolute deviation (AAD) of a data set is the average of the Absolute value, absolute Deviation (statistics), deviations from a central tendency, central point. It is a summary statistics, summary statistic of statistical dispersion or ...
, a measure of statistical dispersion
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Mean squared deviation
In statistics, the mean squared error (MSE) or mean squared deviation (MSD) of an estimator (of a procedure for estimating an unobserved quantity) measures the average of the squares of the errors—that is, the average squared difference between ...
, another measure of statistical dispersion
Other
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''Mean Deviation'' (book), a 2010 non-fiction book by former Metal Maniacs magazine editor Jeff Wagner
See also
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Deviation (statistics) In mathematics and statistics, deviation is a measure of difference between the observed value of a variable and some other value, often that variable's mean. The sign of the deviation reports the direction of that difference (the deviation is posit ...
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Mean difference (disambiguation)
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