Question 74

The data given below shows the number of people who have saved a certain amount of money.

What is the mean saving per person?

Solution

Required mean = $$\dfrac{5\times1+15\times3+20\times4+25\times2+30\times1+35\times1+40\times2}{1+3+4+2+1+1+2}$$

$$= \dfrac{5+15+80+50+30+35+80}{14} = \dfrac{295}{14} = Rs.23.21$$

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The data given below shows the number of people who have saved a certain amount of money. What is the mean saving per person?

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The data given below shows the number of people who have saved a certain amount of money.

What is the mean saving per person?