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
A target market is a group of people considered likely to buy a product or service. A target market consists of customers that share similar characteristics, such as age, location, income and lifestyle, to which a business directs its marketing efforts and sells its products.