14.23 Effect of fertilizers An experiment randomly assigns 100 agricultural plots of land to one of four

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14.23 Effect of fertilizers An experiment randomly assigns 100 agricultural plots of land to one of four groups of fertilizers:

low-dose nitrogen, high-dose nitrogen, low-dose potassium, and high-dose potassium. After three months of using them, the change in harvest is measured (as compared to last year’s harvest).

a. Identify the response variable and the two factors.

b. What are the four treatments being compared in this experiment?

c. What comparisons are relevant when we control for dose level?

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Statistics The Art And Science Of Learning From Data

ISBN: 9781292164878

4th Global Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

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Question Posted: Sep 16, 2024 10:01 AM

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14.23 Effect of fertilizers An experiment randomly assigns 100 agricultural plots of land to one of four

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Statistics The Art And Science Of Learning From Data

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