The numbers of children in 10 families of a locality are

Question:

The numbers of children in 10 families of a locality  are 2, 4, 3, 4, 2, 3, 5, 1, 1, 5. Find the number of children per family.

Solution:

The numbers of children  in 10 families  are : 2, 4, 3, 4, 2, 3, 5, 1, 1, 5

$\therefore$ Mean $=\frac{\text { Total no. children }}{\text { Total families }}$

$=\frac{2+4+3+4+2+3+5+1+1+5}{10}=3$

 

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