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
Target Market. A target market is a more broad group of potential customers defined by ranges. For example, for your business, a target market might be ages 18 to 34, or a certain income bracket. This is the group that's most likely to purchase the product your business has to offer.