A Researcher Wants to Examine the Effect of Fertilizer and the Effect

question 16

Multiple Choice

A researcher wants to examine the effect of fertilizer and the effect of sunlight on the yield of tomatoes.She bought 60 tomato plants at a local garden store.She randomly assigned 30 tomato plants to be planted on the sunny side of the hill and 30 to be planted on the shady side.The 30 plants which are planted on the shady side are randomly assigned to one of three groups.The first group are grown with no fertilizer,the second group with a small amount of fertilizer,and the third group with a large amount of fertilizer.The 30 plants which are planted on the sunny side are likewise randomly assigned to one of three groups.The first group are grown with no fertilizer,the second group with a small amount of fertilizer,and the third group with a large amount of fertilizer.All tomato plants are planted at the same time and are all treated alike (in terms of how much they are watered,weeded etc) .Each plant is grown to maturity.The total weight of tomatoes obtained from each plant is recorded.

• A)Completely randomized over two factors (fertilizer and location)
• B)Completely randomized over one factor (fertilizer).
• C)Randomized block design,blocking on fertilizer,with one factor,location.
• D)Blocked by fertilizer,blocked by location.
• E)Randomized block design,blocking on location,with one factor,fertilizer.

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Definitions:

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A company whose entire stock is held by another company, making it completely controlled by the parent company.

Complete Ownership

Having full legal rights and control over a property or asset without any restrictions.

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The process of obtaining permission from a governmental or regulatory authority to conduct certain activities that are otherwise restricted.