A successful scientific inquiry may culminate in a well-tested, well-documented explanation (theory) that is supported overwhelmingly by valid data, and often has the power to predict the outcome of certain scenarios, which may be tested by future experiments.
Managers here earned a mean annual wage of $90,420, according to the BLS. The best-paying state for supply chain management in the bureau survey was the District of Columbia, which paid $123,270 a year on average. The metro region with the largest employment was the Los Angeles area, with 3,290 managers earning an average salary of $87,520 a year.
The term supply chain management was first coined by Keith Oliver in 1982. However, the concept of a supply chain in management was of great importance long before, in the early 20th century, especially with the creation of the assembly line.