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Author Question: An agricultural researcher wishes to compare the yield of four different varieties of wheat. 64 ... (Read 90 times)

mia

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on: Jul 25, 2018
An agricultural researcher wishes to compare the yield of four different varieties of wheat. 64 plots of land are available for an experiment. On each plot of land one of the varieties of wheat will be grown.
 
  At the end of the experiment the yield for the different varieties will be compared. 32 of the plots are at one site (site A) and the other 32 are at another site (site B). The soil at site A differs significantly from the soil at site B. If the researcher wishes to design an experiment using completely randomized design, how could the wheat varieties be assigned to the different plots?

Question 2

Sixty-five percent of men consider themselves knowledgeable soccer fans. If 11 men are randomly selected, find the probability that exactly two of them will consider themselves knowledgeable fans.
 
  A) 0.140 B) 0.002 C) 0.65 D) 0.182


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Kdiggy

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Reply #1 on: Jul 25, 2018
Answer to Question 1

Answers will vary. Possible answer: Randomly divide the 64 plots into four groups of 16 plots each. Randomly assign each group of plots to a different variety of wheat.

Answer to Question 2

B


mia

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Reply 2 on: Jul 25, 2018
Gracias!

amcvicar

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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