Q. 35.0( 1 Vote )

The following data give the number of boys of a particular age in a class of 40 students.


Calculate the mean age of the students.

Answer :

Let’s draw the table and calculate the relative value of variables∑xi×fi



By putting the formula of mean we get;


Mean =


= 17.45 years


So the mean age of the students will be 17.45years.


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