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In his class, Hugo asks the students: "What mark did you get in your last exam?"
He represents the result with a bar chart:
How many students got a B mark?
7
8
9
4
5
6
1
2
3
C
0
.
students
Which mark is the most common?
A
B
C
D
E
Which mark is the least common?
A
B
C
D
E
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