### Chap 16 Data Handling: Activity 2(a) 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.

The bar graph shows information pertaining to the Singapore Population.

(a) What do the horizontal and vertical axis of the bar graph represent?
(b) Give an appropriate title to the bar graph.
(c) If this is a 3-mark question, how would you describe the population of Singapore in the past 50 years?

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

1. a) Horizontal axis represent the year, while vertical axis represent the population in thousands.

b) The population in Singapore

c) The population increased slowly from 1970 to 1980, but rapidly from 1980 to 2009.

2. a) Horizontal represents the year or time while the horizontal axis represents the number of Singapore's population in thousands.
b) Singapore's population in year 1970, 1980, 1990, 2000, 2009.
c) I would say that Singapore's population has increased in 50 years as there are no signs of decreases as shown in the graph from 2009 population.

3. a) Horizontal axis represents the year and the vertical axis represents the total population in Singapore in thousands.
b) Population of Singapore in year 1970 to 2009
c) Singapore's population has been increasing since the year 1970 up till 2009.

4. a) The horizontal axis represents the year whereas the verticle axis represents the population in thousands.

b) It can be called "Population of Singapore(1970-2009)".

c)Singapore's population seems to be increasing rapidly in the last 50 years.

5. (a)The axes represent the population of Singapore in thousands and the years respectively.

(b) The title of the graph should be " Population of Singapore from 1970 to 2009"

(c)The population of Singapore is rising steadily and will perhaps continue in its current trend.

6. (a) The horizontal axis represent the year, while the vertical axis represent the population in the term: Thousand

(b) The title should be : " SIngapore's Population"

(c) There are stable growth in Singapore's population in the past 50 years and might continue to grow.

7. a) The x axis represents the year and the y axis represents the population size.

b) The population of Singapore over 5 years.

c) I think the population of Singapore has been increasing the past several years as the graph shows a steady upwards trend.

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9. a) The horizontal axis of the graph represents the year which the data is collected in while the vertical axis of the graph represents the amount of people in that specific year which the data was collected.

b) The Change in the Singapore Population between 1970-2009.

c) The population of Singapore has increased steadily over the years from 1970-2009 and the population of Singapore taken every 10 years has increased more than the previous increase of the population except for the data collected in 2009.

10. a) The Horizontal axis represent the year where the data is dated, while vertical axis represent the population in the unit of thousands.

b) The Singapore populatiom

c) There is a steady up trend of the singapore population yet the rapid increase occured during 1980 till 2009.

11. (a) Horizontal axis represents the year while vertical axis represents the population size.

(b) Singapore Population Throughout The Years From 1970 to 2009

(c) There is a steady upwards trend shown in the graph, which shows that the Singapore population has been rising throughout the years.

12. (a) What do the horizontal and vertical axis of the bar graph represent?
They represent the number of people and the year respectively.

(b) Give an appropriate title to the bar graph.
The increase on Singapore's population from 1970 to 2009.

(c) If this is a 3-mark question, how would you describe the population of Singapore in the past 50 years?
The increase from 1970 to 1980 is lesser than from 1990 to 2000 and 2000 to 2009.

13. a) Horizontal- Years
Vertical- Population number(Thousands)
b)Population of Singapore from 1970-2009
c)The population of Singapore is increasing at a rapid rate as time pasts.

14. a) The Horizontal axis represent the year, while vertical axis represent the population size in thousands.
b) Population in Singapore(1970-2009)
c) The population in Singapore has been increasing over the years. It is increasing even more from 1990-2009.

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15. a) Horizontal axis represent the year while vertical represent the population in thousands.
b) The population in Singapore
c) The population of Singapore have been increasing since 1970 till 2009 and there were no sign of decreasing population.

16. a) Horizontal axis represent the year, while vertical axis represent the population in thousands.

b) The population in Singapore from 1970 to 2009

c) The population is increasing from 1970 - 2009. Every year, the interval of the increase increases.

17. The horizontal axis represents the number of years and the vertical axis of the bar graph represents the number of population.

(b) Singapore Population.

(c) The Singapore population has been increasing since 1970 to 2009. The increase between 1970 and 1980, 1980 and 1990, 1990 and 2000, 2000 and 2009 are 268.5 thousands, 453.8 thousands, 537.5 thousands and 460.5 thousand respectively. There is the least increase in the number of Singapore population from 2000 to 2009 compared to the previous years.

18. (a) The horizontal axis represents the year and the vertical axis represents the population in thousands.
(b) Population of Singapore from 1970 - 2009
(c) It has been going on a upwards trend so the population must have increased in the years between 1970 and 2009.

19. (a) The horizontal axis represents the year while the horizontal axis represents the number of people in Singapore.

(b) Singapore's population from 1970 to 2009

(c) The population of Singapore increased over the few years.

20. a) The horizontal axis represents the year whereas the vertical axis represents the population of Singapore in thousands.
b) The population of Singapore from 1970 to 2009
c) The population of Singapore increased rapidly and is in an uprising trend from 1970 to 2009.