(7)
Marks No. of students
0-10
10-20
3
20-30
ㄱ
30-40
Yo-50 15
50-60
x
60-70
C9
70-80
27
80-90
18.
90-100
y
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Answer:
It's not interested okkkkkkkkkk you are also not interested okkkkkkkkkk
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