Susan designs an experiment to test the effects of Fertilizer X on corn yield as measured by the
bushels of corn that are produced. Fertilizer X is used on one field of corn, and no fertilizer is
used on a second field of corn. Soil type, drainage, irrigation, corn strain (i. e., genetics), and
pest management are the same for both fields.
1. What is the independent variable?
2. What is the dependent variable?
3. What are the standardized variables?
4. What is the experimental group?
5. What is the control group?
Answers: 1
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Susan designs an experiment to test the effects of Fertilizer X on corn yield as measured by the
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