Question: In Exercise 1.14, we looked at the age distribution of users of the social networking site Face book (in thousands) as it changed from January

In Exercise 1.14, we looked at the age distribution of users of the social networking site Face book (in thousands) as it changed from January 2009 to January 2010. The online article also provided insight into other demographics of Face book users during this time period.9 Two bar charts, constructed from the data, are shown below.

a. What variables have been measured in this study? Are the variables qualitative or quantitative?
b. Describe the populations of interest. Do these data represent populations or samples drawn from a population?
c. What type of graphical presentation has been used? What other type could have been used?
d. How would you describe the changes in the geographical and educational distributions of Face book users during this 1-year period?

60000 30000 40000 30000 20000 10000 Year 2009 2010 2009 2010 College 2009 2010 2009 2010 Enrollmen High School Alumni Unknown 3000- 2500 - 2000 1500- 1000- 500- Yearl Cy

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