1. Read the data and answer the given questionsWhat is the average children per house?
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By: anil on 05 May 2019 02.14 am
Total number of houses = 7 + 17 + 13 + 3 = 40 Total children = $$(0 imes 7) + (1 imes 17) + (2 imes 13) + (3 imes 3)$$ = 17 + 26 + 9 = 52 $$ herefore$$ Average number of children per house = $$frac{52}{40} = 1.3$$ => Ans - (B)
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