1. Categorize the patient weights into four categories, by quartile.

2. Looking only at the absolute percentage point change, the first quartile shows less movement over the years than the fourth quartile.

3. The curve for COPD admissions in Detroit, Michigan (Schwartz, 1994b) was the only one showing an anomalous response, since hospitalizations for quartile 2 (at 30 μg/m3) were higher than for quartile 3 (at 50 μg/m3).

4. Assuming Standard Normal curve, find z-score that Corresponds to the third quartile? Helllllpp! ;] Answer Save

5. Alcalde ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New Mexico

6. Coalfield ranks in the lower quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Tennessee