Mean deviation

Statistics - measures of spread.

Average of the deviations of all items from the mean (treating all of the deviations as positive in the calculation).

Mean deviation is a similar concept to standard deviation, but it is calculated on a simpler basis.

See also

• Correlation
• Deviation
• Hedging
• Mean
• Range
• Spread
• Standard deviation
• Value at risk
• Variability
• Volatility