Question

the data about Marks by 55 students from the school are given below

marks - 0-10 10-20 20-30 30-40 40-50 50-60 60-70
4 7 11 14 9 7 3

que- If 30% failed in exam what are passing marks???
que- if top 5% people are selected for scholarship find the lowest marks among them ​

Answer 1

Answer:

11

Explanation: