# Level 3- Bar Graph Practice Quiz- 6 Hard

## DIRECTIONS for questions 6 – 10: Refer to the following graph related to the percentage of persons over 25 years of age and with more than 4 years college education living in country X.

1. ### What percentage of persons of 25 and over completed 4 years of college or more in 1970?

A. 7%
B. 10%
C. 11%
D. 12.5%
By visual observation, 11% of person of 25 and over completed 4 years of college or more in 1970.
2. ### What was the average percentage increase per year from 1970 to 1980?

A. 0.5%
B. 5%
C. 0.7%
D. 2%
%age in year 1980 = 16.5. %age in year 1970 = 11%. Percentage increase = (16.5 – 11) / 11 = 50%
Average % age increase over 10 years = 50/10 = 5%
3. ### If in 1987, a typical state had 125,000 persons of 25 and over with 4 years of college or more. What population of the state was 25 and over?

A. 375,000
B. 475,000
C. 625,000
D. 525,000
In 1987, 20% of persons and over with 4 years of college and more i.e. 1,25,000 persons(given).
20% of population in 1987 = 1, 25,000. Total population = 100 x 125000 / 20 = 6,25,000

A. 100%
B. 150%
C. 200%
D. 300%