The provided line grah illusrates the the average time taken by four car companies to manufacture cars in the United States. According to the graph, the companies are General Motors, Ford, Toyota, and Honda.
Overall, after anlayzing the graph, it can be seen that the hours per vehicle in the four companies have decreased over the years due to the technological advancements in the production of cars. It can be noted that Ford and General Motors took the same number of hours in 2005. Similarly, Honda and Toyota took the same time per vehicle in the same year.
To begin with, General Motors experienced a steady decrease from 1998 to 2005. It began at 32 hours per vehicle in 1998 and reached 22 hours only in 2005. Moving to Ford, the average time taken to produce cars increased slightly from 1998 to 2001, then it decreased steadily until it reached 22 hours per car in 2005.
In addition, the time taken by Toyata to produce cars remained unchanged over the years, while that of Honda increased slightly in 2002, then eventually decreased in 2005, reaching exactly 20 hours per vehicle.