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Mathematics, 08.10.2020 23:01 meababy2009ow9ewa
3.(02.02 MC)
A gardener wants to determine which of two brands of fertilizer is best for the plants in a garden. Before using one of the fertilizers on the entire garden the gardener decides to contacta
experiment using 28 individual plants. Which of the two plans for randomly assigning the treatments should the gardener use? Explain. (points)
Plan A: Choose the 14 unhealthiest-looking plants. Apply Brand X fertilizer to all 34 of those plants. Apply Brand Y fertilizer to the remaining 19 plants
Plan B: Choose 14 of the 28 plants at random. Apply Brand X fertilizer to those 14 plants and Brand fertilizer to the remaining plants
Plan A, because the unhealthy plants need the fertilizer the most and should be treated first
Plan B, because the sample of plants is randomly chosen
Plans A and B are equivalent because they both follow experimental design
Plans A and B are both poorly designed because there are not enough plants to test.
The plans cannot be evaluated from the information given
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3.(02.02 MC)
A gardener wants to determine which of two brands of fertilizer is best for the plants...
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