Which statement is NOT true?
A)For a random heterogeneous material differences in composition are random and on a fine scale.
B)A representative random sample is collected from randomly selected portions of the sample for a given number of times.
C)A segregated heterogeneous material has large regions with obviously different compositions.
D)A representative composite sample is collected from a segregated material by taking portions from each region,the number of collected portions proportional to the area of the region.
E)All are true statements.

Question

Quizplus · Accepted Answer

All the statements accurately describe the characteristics and sampling methods of heterogeneous materials. Statement A describes the nature of a random heterogeneous material, B outlines the process of collecting a representative random sample, C explains the nature of a segregated heterogeneous material, and D describes how to collect a representative composite sample from a segregated material.

Which Statement Is NOT True