Tasmin read a newspaper article with the headline More schools mean more
pollution days. The article reported a study on the relationship between the number of schools
in Canadian cities and the number of pollution days each year. Below is the scatter plot from the
Order the steps Tasmin takes to analyze the argument
based on the scatter plot.
She also noted the points in the lower left of the scatter plot
show that cities with fewer schools have fewer pollution days.
Cities that have
more schools are larger and therefore have a greater number of cars, factories, and other sources of
Tasmin suggests that people cause pollution, not schools. She
says the more people there are in a city, the more schools there will be, and the more pollution
there will be. She decides to do research to see if her idea is correct.
Tasmin noted the
points in the upper right of the scatter plot show that cities with more schools have more pollution