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SCENARIO 11-11
An agronomist wants to compare the crop yield of 3 varieties of chickpea seeds. She plants all 3
varieties of the seeds on each of 5 different patches of fields. She then measures the crop yield in
bushels per acre. Treating this as a randomized block design, the results are presented in the table that
follows.
-Referring to Scenario 11-11, what is the value of the F test statistic for testing the block effects?
AIDS
Acquired immune deficiency syndrome. A secondary immune deficiency that develops as the result of infection by the HIV virus.
Measles
A highly contagious viral disease characterized by fever, cough, and a distinctive rash, affect primarily children.
Unvaccinated Person
An individual who has not received vaccination against specific diseases.
Macrophages
A type of white blood cell that engulfs and digests cellular debris, foreign substances, microbes, and cancer cells in a process called phagocytosis, playing an important role in the immune response.
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