A doctor wants to create a graph to highlight the percentages of her patients who are various ages.
The results are below:
Under 20years old:25patients
Age 21 to 40:15patients
Age 41 to 60:23patients
Age 61 to 80:13patients
Over 80: 10 patients
Which graph is the best choice for the doctor to use to represent the data?
A. line graph
B. histogram
C. circle graph
D. box-and-whisker plot