Marks obtained by 40 students in an examination are given below : Marks 10-20 20-30 30-40 40-50 50-60 60-70 No. of Students 3 8 14 9 4 2 Using graph paper draw an ogive and estimate the median marks. Take 2 {\cm}=10 marks along one axis and 2 {\cm}=5 students along the other axis.

ICSE Class X Math 2022 Solved Paper - Question 30

Question : 30 of 30

Marks: +1, -0

Marks obtained by 40 students in an examination are given below :

Marks	$10-20$	$20-30$	$30-40$	$40-50$	$50-60$	$60-70$
No. of Students	3	8	14	9	4	2

Using graph paper draw an ogive and estimate the median marks.
Take

2 {\cm}=10

marks along one axis and

2 {\cm}=5

students along the other axis.

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