nitrogen. After harvest, the soybean yield (in bu/acre) for each plot is determined. Below are the results of this experiment, with soybean yield reported for each plot. The row and column sample means are also provided.
nitrogen. After harvest, the soybean yield (in bu/acre) for each plot is determined. Below are the results of this experiment, with soybean yield reported for each plot. The row and column sample means are also provided.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![An agricultural research scientist is interested in determining an appropriate amount of nitrogen
for a newly developed soybean fertilizer. This researcher is considering four amounts of nitrogen:
60 lbs/acre, 65 lbs/acre, 70 lbs/acre, and 75 lbs/acre. To investigate this research questions, five
fields (with differing soil types) at different locations in a Midwestern state are selected for a study.
Each field is divided into four plots. For each field, each of the four nitrogen amounts is randomly
assigned to one plot each. Each plot is treated with the fertilizer containing the assigned amount of
nitrogen. After harvest, the soybean yield (in bu/acre) for each plot is determined. Below are the
results of this experiment, with soybean yield reported for each plot. The row and column sample
means are also provided.
Field
Nitrogen amount
60 lbs/acre
65 lbs/acre
70 lbs/acre
75 lbs/acre
1
2
3
4
Mean
52.9
45.3
53.0
59.0
44.6
50.96
43.3
38.5
50.8
53.4
53.2
47.84
48.8
47.0
53.8
61.6
53.7
52.98
58.2
53.6
55.0
57.0
56.3
56.02
Mean
50.80
46.10
53.15 57.75 51.95
51.95
1. Answer the following questions regarding the design of this experiment.
a. What is the treatment factor in this experiment?
b. What are the treatments in this experiment?
c. What is the experimental unit in this experiment?
d. What is the response variable in this experiment?
e. Is randomization implemented in this design? Justify your answer.
f. Is replication implemented in this design? Justify your answer.
g. Is blocking implemented in this design? Justify your answer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F77548912-c51c-4c9d-8b51-f3905a3bec75%2F95b780e2-ccd6-417a-a753-0e42384d9f45%2F9cyk7oi_processed.png&w=3840&q=75)
Transcribed Image Text:An agricultural research scientist is interested in determining an appropriate amount of nitrogen
for a newly developed soybean fertilizer. This researcher is considering four amounts of nitrogen:
60 lbs/acre, 65 lbs/acre, 70 lbs/acre, and 75 lbs/acre. To investigate this research questions, five
fields (with differing soil types) at different locations in a Midwestern state are selected for a study.
Each field is divided into four plots. For each field, each of the four nitrogen amounts is randomly
assigned to one plot each. Each plot is treated with the fertilizer containing the assigned amount of
nitrogen. After harvest, the soybean yield (in bu/acre) for each plot is determined. Below are the
results of this experiment, with soybean yield reported for each plot. The row and column sample
means are also provided.
Field
Nitrogen amount
60 lbs/acre
65 lbs/acre
70 lbs/acre
75 lbs/acre
1
2
3
4
Mean
52.9
45.3
53.0
59.0
44.6
50.96
43.3
38.5
50.8
53.4
53.2
47.84
48.8
47.0
53.8
61.6
53.7
52.98
58.2
53.6
55.0
57.0
56.3
56.02
Mean
50.80
46.10
53.15 57.75 51.95
51.95
1. Answer the following questions regarding the design of this experiment.
a. What is the treatment factor in this experiment?
b. What are the treatments in this experiment?
c. What is the experimental unit in this experiment?
d. What is the response variable in this experiment?
e. Is randomization implemented in this design? Justify your answer.
f. Is replication implemented in this design? Justify your answer.
g. Is blocking implemented in this design? Justify your answer.
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