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ICSE Class X Math 2023 Paper

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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)(f)
0−100-10 3
10−2010-20 8
20−3020-30 14
30−4030-40 9
40−5040-50 4
50−6050-60 2
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