ICSE Class X Math 2022 Solved Paper - Question 26 | ExamSiri

ICSE Class X Math 2022 Solved Paper

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Question : 26 of 30

Marks: +1, -0

The mean of the following distribution is 50 .
Find the unknown frequency.

Class Interval	$0-20$	$20-40$	$40-60$	$60-80$	$80-100$
Frequency	6	$f$	8	12	8

Solution:

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