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polet [3.4K]
3 years ago
12

Need help with thiss guys!!!

Mathematics
1 answer:
navik [9.2K]3 years ago
6 0
I would choose D for that question
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A biology student wants to determine if using a fertilizer would help promote the growth of new babies in spider plants. The stu
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Answer:

Randomized block design

Step-by-step explanation:

From the question, we can see the following:

- There are 30 plants of each variety. This means that they are divided into variety subgroups which we will call blocks.

- Now, we are told each plant in each block all are potted in the same amount and type of soil, given the same amount of water, and exposed to the same amount of light. This means that each plant in each block is assigned a treatment condition.

- The procedure is repeated by subjecting each plant one after the other in teach Block to different treatments and this will reduce variability.

Looking at all the statements above, it is clear that this is a randomized block design because a randomized block design is when the experimenter/researcher divides members/participants into subgroups called blocks in a manner that the variability within the blocks is less than the variability between the blocks. Thereafter, the participants within each block will now be randomly assigned to treatment conditions.

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3 years ago
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use a ratio box to solve this problem. There were 144 books about mammals in the library. If the ratio of books about mammals to
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128

Step-by-step explanation:

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2 years ago
If 1/8 pound of fertilizer covers 25square feet of ground how much fertilizer in pounds is needed to cover 1 square foot of grou
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Answer:

0.005

Step-by-step explanation:

(1/8) /25

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