Question 74

The following table shows the number of children in each house of a society.

What is the average number of children per house?

Solution

Total number of houses = 6 + 17 + 17 + 3 = 43

Total children = $$(0 \times 6) + (1 \times 17) + (2 \times 17) + (3 \times 3)$$

= 17 + 34 + 9 = 60

$$\therefore$$ Average number of children per house = $$\frac{60}{43} = 1.4$$

=> Ans - (D)

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