### Chap 16 Data Handling: Activity 2(c) Interpreting Bar Graphs

Source of Graph: Statistics Singapore. (2010, April 18). Statistics: Population. Retrieved from http://www.singstat.gov.sg/stats/charts/popn-area.html#popnA.

A few sets of information are embedded in the bar graph above.

2 pieces of information we can draw out from this graph are...
• Comparing the number of people who are age 80 and above, there are more in Year 2009 than in Year 1999.
• In general, females have longer life span compared to males. This observation is the same for both Year 1999 and Year 2009.
Write down 3 pieces of information that you could draw out from the graph.

Note: This is part of your daily work. All are to attempt.

1. 1. There are more males than females aged 0-9 in 1999.

2. There are more females than males aged 80+ in 2009.

3. Comparing the number of people who are aged 40-49, there are more in 2009 than in 1999.

2. 1) The lives who live to a 40-80++ years are getting more in 2009 then in 1999.
2) The number of females in all age groups except for 0-9 are more then that in 1999.
3)People are living to an older age in 2009 then in 1999.

3. 1) Generally, more people in 2009 are living longer then people in 1999.
2) There is the most drastic difference between the number females than males in the age group 50-59 in 199 and 2009.
3) Other than the age group 0-9 years old, all other age groups have more people in the year 2009 than 1999.

4. 1. There are more children aged 0-9 in 1999 compared 2009.

2. There are people aged 40-49 in 2009 compared to 1999.

3. More people are aging; this is because more people are 80+ years old in 2009 compared to 1999.

5. 1. In 2009, there are less children(0 to 9 yrs old) compared to 1999.

2.In 2009, there are more people 50 years old and above than that in 1999.

3. So in a nutshell, people in 2009 are probably not having babies as much as those in 1999.

6. 1) Under females, all the age groups except 0 to 9 has more people in 2009 than in 1999.

2) The age group which has the largest number of people in 1999 is 30 to 39 but the age group which has the largest number of people in 2009 is 40 to 49.

3) The age group which has the largest increase in the number of people between 2009 and 1999 is 50 to 59.

7. Comparing population of people in the 1999 and 2009, there are increased in overall population of people in 2009.

There are more children living in the 1999 compared to 2009.

Males from the age 30-39 living in the 1999 decrease compared to 2009

8. 1) The number of children aged 0-9 has decreased between 1999 and 2009.

2) There is an increase in people aged 10-29 between 1999 and 2009.

3) The number of people aged 40-80+ has increased between 1999 and 2009.

9. 1) The number of people aged 80+ were more in 2009 than 1999

2) All the number of age groups increased from 1999 to 2009 except for people at the age of 0-9

3) 40-49 is the majority age group of the people in 2009

10. 1. There was a higher birthrate in 1999 but a higher population in 2009.

2. More people live longer in 2009 than in 1999.

3. Most of the people in Singapore are 40-49 years old.

11. 1) Overall, there are more people in 2009 than 1999.
2) There are more children aged 0-9 in 1999 compared 2009.
3) The number of people that are aged 80+ were more in 2009 than 1999.

12. 1) There is a higher birth rate in 1999 compared to 2009.
2) There are more people at the age of 50-59 in 2009 as compared to 1999.
3) Overall, the population in 2009 is more that 1999.

13. The population is aging.
There are more females that are aged 80+ than males.
There are more children aged 0-9 in 1999 compared 2009.

14. -In 2009, most residents are ranged from 40-49 years' old.
-In 1999, most residents are aged from 30-39 years' old
-There are more newborns to 9years old in 1999 than 2009

15. 1. The birth rate of Singapore has declined in 2009 as compared with that in 1999.

2. The number of old people ranging from 60 years old to 80 years old has increased in 2009 compared with that in 1999.

3. The number of people ranging from the age of 20 to 39 have been about the same in 1999 and 2009.

16. -There is a higher number of people in 2009 than 1999
-Most of the people in Singapore are 40-49 years old
-There are more children from 1 to 9 years old in 1999 than 2009

17. 1) There are more people of the age 0-9 years in the years 1999 than in 2009
2) The most number of people in the year 1999 was 30-39 years of age
3) The most number of people in the year 2009 was 40-49 years of age.