Those with retail jobs help you find the product you are looking for and make a sale directly to you in the store. Nearly all of us interact with them daily. Other types of sales jobs outside of a retail environment, such as insurance salespeople or travel agents, are in the sales jobs category rather than the retail jobs category
Methodology for The PayScale Index: Trends in Compensation
The PayScale Index tracks quarterly changes in total cash compensation for full-time, private industry employees in the United States. In addition to a national index, it includes separate indices for specific industries, metropolitan areas, job categories, and company sizes. The PayScale Index uses 2006 average total cash compensation as a baseline.