Correct Answer: E
Explanation:
The bottom of the bar graph lists the different classes. The height of each bar displays a quantity that matches up with the scale on the left side. This quantity represents the number of students in that class.
You can either use the left scale to determine the number of students, or you can see the quantities posted on each bar.
So, we will find the bar that corresponds to Art class. We can see it is the 3rd class listed. Now, we can see that bar goes up to 21.
Therefore, the number of students in Art class is 21.