Questions: Q1.18. Which experimental setup below is the most appropriate for testing the hypothesis? All experimental plots will be treated with compost and commercial fertilizer. Half the experimental plots will be treated with compost and half treated with commercial fertilizer. Half the experimental plots will be treated with compost and half will have no treatment. All the experimental plots will be treated with compost only.

Q1.18. Which experimental setup below is the most appropriate for testing the hypothesis? All experimental plots will be treated with compost and commercial fertilizer. Half the experimental plots will be treated with compost and half treated with commercial fertilizer. Half the experimental plots will be treated with compost and half will have no treatment. All the experimental plots will be treated with compost only.
Transcript text: Q1.18. Which experimental setup below is the most appropriate for testing the hypothesis? All experimental plots will be treated with compost and commercial fertilizer. Half the experimental plots will be treated with compost and half treated with commercial fertilizer. Half the experimental plots will be treated with compost and half will have no treatment. All the experimental plots will be treated with compost only.
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Solution

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The answer is the third one: Half the experimental plots will be treated with compost and half will have no treatment.

Explanation for each option:

  1. All experimental plots will be treated with compost and commercial fertilizer.

    • This setup does not allow for a comparison between different treatments because all plots receive the same treatment. It is not suitable for testing the hypothesis as it lacks a control group.

  2. Half the experimental plots will be treated with compost and half treated with commercial fertilizer.

    • This setup allows for a comparison between compost and commercial fertilizer, but it does not include a control group with no treatment, which is essential for understanding the effect of the treatments compared to no treatment.

  3. Half the experimental plots will be treated with compost and half will have no treatment.

    • This setup is the most appropriate for testing the hypothesis because it includes a treatment group (compost) and a control group (no treatment). This allows for a clear comparison to determine the effect of compost on the experimental plots.

  4. All the experimental plots will be treated with compost only.

    • This setup does not allow for a comparison between different treatments or a control group. It is not suitable for testing the hypothesis as it lacks a basis for comparison.

Summary: The most appropriate experimental setup for testing the hypothesis is to have half the experimental plots treated with compost and half with no treatment. This allows for a clear comparison to determine the effect of the compost treatment.

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