ICSE Class X Math 2023 Solved Paper

Question 8.

Question : 34 of 41

Marks: +1, -0

The following table gives the marks scored by a set of students in an examination.
Calculate the mean of the distribution by using the short cut method.

Marks	Number of Students $(f)$
$0-10$	3
$10-20$	8
$20-30$	14
$30-40$	9
$40-50$	4
$50-60$	2

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