Using the Cities.jmp sample data table, examine the distribution of different pollution measurements (ozone and lead) across selected cities in the United States.
1.
Select Help > Sample Data Library and open Cities.jmp.
2.
Select Graph > Legacy > Treemap.
3.
Select POP (population) and click Sizes.
4.
Select city and click Categories.
5.
Select X and Y and click Ordering.
6.
Select OZONE and click Coloring.
7.
Figure 10.16 OZONE Levels for Selected Cities
From Figure 10.16, you observe the following:
Figure 10.17 Lead Levels for Selected Cities
From Figure 10.17, you observe the following:

Help created on 7/12/2018