plural of sample market

(analytical chemistry) A fine glass tube used in a laboratory to extract very small samples of chemical liquids and solutions.

(statistics) Given a random sample mathbf x₁,…, mathbf x_N from an n-dimensional random variable mathbf X, a mean defined as

(statistics) A sample randomly taken from an investigated population.

(statistics) The error caused by observing a sample instead of the whole population.

plural of sampling straw

A technique used to sample benthic invertebrates in a stream, etc., where a net is held underwater and the surrounding substrate disturbed by kicking.

plural of sample function

(metalworking) A sample taken for assay from a molten metallic mass by pouring a portion into water to granulate it.

A cylindrical section of a naturally occurring substance, typically obtained by drilling into the substance, for example sediment or rock, with a core drill.