As of Feb 2018, the average pay for a Welding Inspector (Certified) is $26.53 /hr or $61,817 annually.
Two Types of Population in Research Target Population. Target population refers to the ENTIRE group of individuals or objects to which researchers are interested in generalizing the conclusions. The target population usually has varying characteristics and it is also known as the theoretical population. Accessible Population
1 a population that is demographically similar to the proposed target market; and.  relative isolation from densely populated media markets so that advertising to the test audience can be efficient and economical.