About ASTMâ¦. Two New Journals. â¢ Advances in Civil Engineering Materials covers topics relating to the. properties and performance of civil engineering materials, such as concrete, asphalt, steel, polymers and polymeric composites, and wood.
A census is the procedure of systematically acquiring and recording information about the members of a given population. The term is used mostly in  connection with national population and housing censuses; other common censuses include agriculture, business, and traffic censuses.
A census is a study of every unit, everyone or everything, in a population. It is known as a complete enumeration, which means a complete count. What is a sample (partial enumeration)? A sample is a subset of units in a population, selected to represent all units in a population of interest. It is a partial enumeration because it is a count from part of the population. Information from the sampled units is used to estimate the characteristics for the entire population of interest.