Your colleague Carlos is stressed out about a task he has just been assigned at work. He was given a sales report and asked to analyze conditions in the market for televisions.

If Carlos's manager is interested in a graphical presentation of the relationship between the price and quantity of televisions supplied, you would advise your colleague to construct using the data provided. However, if Carlos's boss is more interested in the detailed numbers used to construct this visual representation, you would instead advise your coworker that a would be more appropriate.