Question 99

Read the data and answer the given questions

What is the average children per house?

Solution

Total number of houses = 7 + 17 + 13 + 3 = 40

Total children = $$(0 \times 7) + (1 \times 17) + (2 \times 13) + (3 \times 3)$$

= 17 + 26 + 9 = 52

$$\therefore$$ Average number of children per house = $$\frac{52}{40} = 1.3$$

=> Ans - (B)

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