Number of families in a village in correspondence with the number of children are given below: Find the mean number of children per family.
No of children
0
1
2
3
4
5
No of families
11
25
32
10
5
1
Answers
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Mean = ( 2 )/( 1 )
From ( 1 ) and ( 2 ) ,
Mean = 144/84
= 1.714285
Therefore,
Required Mean = 1.714285
••••
From ( 1 ) and ( 2 ) ,
Mean = 144/84
= 1.714285
Therefore,
Required Mean = 1.714285
••••
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