A botanist is studying a newly identified soybean disease. The botanist collected soil samples from all of the
soybean fields in randomly selected states to see if there were significant differences the sulfur levels in fields with and without the disease.
1. What is the population?
-all u.s. soil
-all u.s. soybeans
2. What is the sample?
-selected u.s. soil
-selected u.s. soybean fields
3. What is the variable of interest?
-amount of sulfur in soil
-number of soybeans with the disease
1. all us soybeans 2. selected us soil 3. amount of sulfur in soil 4. using simple random sampling method 5. experimental method 6. quantitative 7. continuous
