Question 49

The following tables shows the number of in each house of a society

What is the average number of children per house ?

Solution

Total number of houses = 4 + 10 + 19 + 3 = 36

Total children = $$(0 \times 4) + (1 \times 10) + (2 \times 19) + (3 \times 3)$$

= 10 + 38 + 9 = 57

$$\therefore$$ Average number of children per house = $$\frac{57}{36} = 1.58$$

=> Ans - (A)

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