Q3 of 11 Page 225

The teachers in a university are sorted according to their ages, as shown below.


What is the mean age of a teacher in this university?


Mean age of child = Total age/ total number of children



Mean age of a child in this class = 39.64


More from this chapter

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1

Find different sets of 6 different numbers between 10 and 30 with each number given below as mean:

15

 1

Find different sets of 6 different numbers between 10 and 30 with each number given below as mean:

25

 2

The table below shows the children in a class, sorted according to their heights.


What is the mean height of a child in this class?

 4

The table below shows children in a class sorted according to their weights.


The mean weight is calculated as 26 kilograms. How many children have weights between 23 and 25 kilograms?