|1.||the difference between an observed value of a variable and its mean|
|2.||mean deviation from the mean, mean deviation from the median, Also: 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|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
In a statistical distribution, the average of the absolute values of the differences between individual numbers and their mean.