Question

With the help of given statistical data, prepare a simple bar graph and answer the following questions:

Life Expectancy - India
Years	Life Expectancy
1980	54
1990	58
2000	63
2010	67
2016	68

1. In the year 1990, what is the average life expectancy?
2. In which two decades, the average life expectancy is found to be similar increase?
3. How much increase can be seen in the life expectancy from 1990 to 2016?

Answer 1

1. In 1990, the average life expectancy is 58 years.
2. The two decades are 1980-90 and 2000-10. In both the decades, the average life expectancy is found to be similar increase (4 years).
3. The increase in life expectancy from 1990 to 2016 is 68-58 = 10 years.