Question

3. Following table gives distribution of students of section A and
section B of a class according to the marks obtained by them
Section A
Section B
Marks
Frequency
Marks
Frequency

1-15
5
1-15
3
15-30
12
15-30
16
30-45
28
30-45
25
45-60
30
45-60
27
60-75
35
60-75
40
75-90
13
75-90
10​

Answer 1

Answer:

75-90

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