Geometric Kurtosis - 4th moment

Description

Is a measure that describes the “tailedness” of the probability distribution of a real-valued random variable. Geometric mean size (1st moment) and geometric standard deviation (2nd moment) needs to be precalculated

Related formulas

Variables

KgGeometric Kurtosis - 4th moment (dimensionless)
fiCumulative weight percent of the i particle size grade present (dimensionless)
mmmMid-point of the i particle size grade present (mm)
XgGeometric Mean Size - 1st moment (mm)
σgGeometric Standard Deviation - 2nd moment (mm)