The absolute moment of of a probability function taken about a point is defined by
Absolute Moment
See also
Central Moment, Moment, Raw MomentExplore with Wolfram|Alpha
References
Papoulis, A. Probability, Random Variables, and Stochastic Processes, 2nd ed. New York: McGraw-Hill, p. 146, 1984.Referenced on Wolfram|Alpha
Absolute MomentCite this as:
Weisstein, Eric W. "Absolute Moment." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/AbsoluteMoment.html