1. The following tables shows the number of in each house of a society What is the average number of children per house ?
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By: anil on 05 May 2019 02.10 am
Total number of houses = 4 + 10 + 19 + 3 = 36 Total children = $$(0 imes 4) + (1 imes 10) + (2 imes 19) + (3 imes 3)$$ = 10 + 38 + 9 = 57 $$ herefore$$ Average number of children per house = $$frac{57}{36} = 1.58$$ => Ans - (A)
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