Another display technique that is somewhat similar to a histogram is a dotplot . In a dotplot, the data values are displayed along the horizontal...

dotplotHow to Make a Dotplot

(a) From the dotplot, how many states have 600 or fewer licensed drivers per 1000 residents?

(b) About what percentage of the states (out of 51) seem to have close to 800 licensed drivers per 1000 residents? (Round your answer to one decimal place.)

 % 

(c) Consider the intervals 550 to 650, 650 to 750, and 750 to 850 licensed drivers per 1000 residents. In which interval do most of these states fall?

550 to 650

650 to 750

750 to 850