DATA ANALYSIS & INTERPRETATION

Word 800

a) The following is a line chart of crimes over a period of 21 years in Country ABC.

Required

i) What is your opinion on the trend of violent crimes?

ii) Please suggest a factor (other than the factors in b) and c)) and explain how the factor would have an impact on the trend.

i) Opinion on trend:_________________

ii) Factor:_____________________________________

Explanation on impact:_________________________

b) The following is a scatter plot of the same violent crimes data versus a demographical variable: size of population.

Required

i) What is your opinion on the trend of violent crimes against the size of the population?

ii) Please suggest a plausible explanation on how the size of population would have an impact on the frequency of violent crimes as depicted by the data.

i) Opinion on trend:_____________________________________

ii) Plausible explanation on impact:_________________________

c) There is a belief that a large proportion of the violent crimes are committed by people age 15 to 24.

The following is a scatter plot of the same violent crimes data versus a second demographical variable: population aged between 15 and 24.

Required

i) What is your opinion on the trend of violent crimes against the population aged between 15-24?

ii) Please suggest a plausible explanation on how the size of population aged between 15-24 would have an impact on the frequency of violent crimes as depicted by the data.

i) Opinion on trend:_____________________________________

ii) Plausible explanation on impact:_________________________

Question 3

What is the most important lesson you have learnt in presentation and interpretation of statistical data from undertaking the assignment? Please explain.

i) Lesson:

___________________________________________

ii) Explanation:

____________________________________________

Page 1 of 3

02,0004,0006,0008,00010,00012,00014,00013579111315171921Violent crimesProperty crimes

05001,0001,5002,0002,500200,000220,000240,000260,000280,000300,000320,000Violent crimesPopulation (1,000)

05001,0001,5002,0002,50035,00036,00037,00038,00039,00040,00041,00042,00043,000Violent crimesPopulation:15-24(1,000)