- random variance of increment collection
- (unit variance), Sr2, nthe theoretical variance calculated for a uniformly mixed lot and extrapolated to 0.5-kg (1-lb) increment size. D2234/D2234M
ASTM D121-09a Standard Terminology of Coal and Coke. 2014.
ASTM D121-09a Standard Terminology of Coal and Coke. 2014.
variance — n the mean square of deviations (or errors) of a set of observations; the sum of squared deviations (or errors) of individual observations with respect to their arithmetic mean divided by the number of observations less one (degrees of freedom);… … Coke&Coal Terminology
river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… … Universalium
Path integral formulation — This article is about a formulation of quantum mechanics. For integrals along a path, also known as line or contour integrals, see line integral. The path integral formulation of quantum mechanics is a description of quantum theory which… … Wikipedia