| Problem
#1: Effects of supplemental activities on reading ability |
| Problem
#2: Comparing amphibian populations |
| Problem
#3: Effects of copper concentration on Lemna gibba |
| Problem
#4: Comparing infant mortality in different regions |
| Problem
#5: Comparing life expectancy in different regions |
| Problem
#6: Comparing total fertility rates in different regions |
| Problem
#7: Comparing crude birth rates in different regions |
| Problem
#8: Physiological effects of immigration |
| Problem
#9: Effects of nitrate on embryonic development in wood
frogs |
| Problem
#10: Comparing growth in two strains of soybeans |
| Problem
#11: Effects of clearcutting on terrestrial salamanders |
| Problem
#12: Comparing the effectiveness of two insecticides |