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Trend in Iraq War casualties. While the United States was
Chapter , Problem 134E(choose chapter or problem)
Trend in Iraq War casualties. While the United States was still actively fighting in the Iraq War, a news media outlet produced a graphic showing a dramatic decline in the annual number of American casualties. The number of deaths for the years 2003, 2004, 2005, and 2006 were (approximately) 475, 850, 820, and 130, respectively.
a. Create a time series plot showing the dramatic decline in the number of American deaths per year.
b. The graphic was based on data collected through February of 2006. Knowing this fact, why is the time series plot misleading?
c. What information would you like to have in order to construct a graph that accurately reflects the trend in American casualties from the Iraq War?
Questions & Answers
QUESTION:
Trend in Iraq War casualties. While the United States was still actively fighting in the Iraq War, a news media outlet produced a graphic showing a dramatic decline in the annual number of American casualties. The number of deaths for the years 2003, 2004, 2005, and 2006 were (approximately) 475, 850, 820, and 130, respectively.
a. Create a time series plot showing the dramatic decline in the number of American deaths per year.
b. The graphic was based on data collected through February of 2006. Knowing this fact, why is the time series plot misleading?
c. What information would you like to have in order to construct a graph that accurately reflects the trend in American casualties from the Iraq War?
ANSWER:Solution:
Step 1 of 4:
Given the number of deaths for the years 2003, 2004, 2005, and 2006 were approximately 475, 850, 820, and 130 respectively.