The mean of the mark secured by 25 students of Section A of class X is 47, that of 35 - Maths - Statistics

Question

The mean of the mark secured by 25 students of Section A of class X
is 47, that of 35 students of Section B is 51 and that of 30
students of Section C is 53 Find the mean of the marks of the
students of three sections of the class X

Priyanka Kedia · Accepted Answer

Dear Student,

Refer the following link:

https://www meritnation
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The mean of the mark secured by 25 students of Section A of class X is 47, that of 35 students of Section B is 51 and that of 30 students of Section C is 53. Find the mean of the marks of the students of three sections of the class X.