Mean

1. Strictly, the same as the Arithmetic mean.

2. The term 'mean' is also sometimes used much more loosely, to refer to any measure of the mid-point (or Central location) of a set of data.

See also

• Arithmetic mean
• Central location
• Geometric mean
• LIMEAN
• Mean deviation
• Mean reversion
• Mean-variance efficiency
• Median
• Mode
• Pearson's Coefficient of Skew
• Standard deviation
• Variance