An agriculture researcher wants to compare the yield of 5 corn varieties: A, B, C, D, and
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An agriculture researcher wants to compare the yield of 5 corn varieties: A, B, C, D, and E. The field in which the experiment will be carried out increases in fertility from north to south. The researcher therefore divides the field into 25 plots of equal size, arranged in 5 east–west rows of 5 plots each, as shown in the diagram.
a. Describe a randomized block design for this experiment. Justify your choice of blocks.
b. Explain why a randomized block design might be preferable to a completely randomized design for this experiment.
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The researcher should use rows so that inside each block the area northsouth does not fluctuate and also all plots in a similar row have a similar mea...View the full answer
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