Fertilizers and Crop Yields. An agricultural scientist wants to study the effect of three different fertilizers on crop yield. a. In addition to the given factor, suggest three other factors that might be of interest. b. What would be the levels of each factor in your study? c. Specify whether each factor is experimental or observational. d. What are the experimental units? e. How would you select your experimental units and assign them to the treatment combinations?

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Fertilizers and Crop Yields. An agricultural scientist wants to study the effect of three different fertilizers on crop yield.

a. In addition to the given factor, suggest three other factors that might be of interest.

b. What would be the levels of each factor in your study?

c. Specify whether each factor is experimental or observational.

d. What are the experimental units?

e. How would you select your experimental units and assign them to the treatment combinations?

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