Question

The data about marks scored by 55 students from a school are given below.
Marks
0 - 10 10-20 20 - 30 30 - 40 40 - 50 50 - 60 60 - 70
4
No. of students
7
11
14
9
7
3
(1) If 30% students failed in the examination, what are the passing marks?
If top 5% students are to be selected for scholarship, find the lowest marks among them.​

Answer 1

Answer:

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