Question 2: Is the population of Lisbon, Portugal,
over 1 million people?
Student Responses:
Several students used data (available over the Internet)
by the United Nations, government of Portugal, or both
5 students reported "yes" (about 2.4 million)
6 students reported "no" (about 600,000)
1 realized that some census data reported those living within
the city limits, while other data reported those residing
in the entire metropolitan area
Issues:
Even seemingly easy questions may require a careful definition
of terms and consultation of multiple sources
Sources may not provide the full basis for statistics given
created April 19, 2003 last revised April 19, 2003