Question

Cumulative Frequency ("Less than' and 'More than')
Marks
No. of Students
Less than 10
5
0-10
10-13
Less than 20
5
15
25
20
Less than 30
45
Less than 40
70
80
Less than 50
88
Less than 60
70
98
Less than 70
100
Less than 80
(Mean - 34.40)​

Answer 1

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