Definition:Mean


 * Algebra:
 * Arithmetic mean, also known as the common mean
 * Geometric mean
 * Harmonic mean
 * Quadratic mean
 * The following are hybrid concepts:
 * Weighted mean
 * Heronian mean
 * Hölder mean (also known as the power mean or generalized mean)


 * Real Analysis:
 * Mean Value of Function (often known as Average Value of Function)


 * Geometry:
 * Golden mean
 * Mean point


 * Probability Theory, the term is used for:
 * Expectation
 * Definition:Mean Deviation
 * Definition:Mean Absolute Deviation
 * Definition:Mean Squared Deviation
 * Definition:Mean Squared Error


 * Statistics:
 * Sample mean