Q2 of 11 Page 225

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?


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



Mean height of a child in this class = 157.84


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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

 3

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?

 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?