In a survey conducted by Kelton Research, 1004 adults were asked to identify the sounds that they find most annoying. In response, 279 chose jackhammers, 388 chose car alarms, 128 chose barking dogs, and 209 chose crying babies. An illustrator depicts these results by using images of ears of different sizes. How might such a graph be misleading?

What is the general name for graphics that use drawings of people or objects?