A video camera was set up on a highway to record the speeds of passing cars. This box-and-
whisker plot shows the results.
Freeway speeds (miles per hour)
60
70
80
What percent of the cars traveled 65 miles per hour or faster?
0%
25%
50%
75%
100%

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?