Stats: Modeling the World Nasta Edition Grades 9-12
3rd Edition
ISBN: 9780131359581
Author: David E. Bock, Paul F. Velleman, Richard D. De Veaux
Publisher: PEARSON
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Chapter 13, Problem 7E
a)
To determine
To find the type of the study.
a)
Expert Solution
Answer to Problem 7E
This is an experimental study.
Explanation of Solution
First need to understand about the experimental study and observational study:
Experimental study: Assigning people or things to groups and applying some treatment to one group, while the other group does not receive the treatment.
Observation study: In an observational study, measure or survey members of a sample without trying to affect them.
This is an experimental study because the treatment is imposed on the subjects.
b)
To determine
To find the subjects.
b)
Expert Solution
Answer to Problem 7E
30 patients with bipolar disorder.
Explanation of Solution
In this study, the subjects were 30 patients with bipolar disorder.
c)
To determine
To find the factors and number of levels.
c)
Expert Solution
Answer to Problem 7E
The factor which is omega-3 fats from fish oil and levels are high dose and no dose.
Explanation of Solution
In this study, the experiment having 1 factor which is omega-3 fats from fish oil. The levels are high dose and no dose.
d)
To determine
To find the number of treatments.
d)
Expert Solution
Answer to Problem 7E
2
Explanation of Solution
In this study, the number of treatments are 2.
e)
To determine
To find the response variable.
e)
Expert Solution
Answer to Problem 7E
The response variable is improvement.
Explanation of Solution
In this study, the response variable is improvement. There is no indication of the measurement of this variable.
f)
To determine
To identify the type experiment.
f)
Expert Solution
Answer to Problem 7E
Design is not specified.
Explanation of Solution
The study does not specific any design.
g)
To determine
To identify whether the study is blinded or double blinded.
g)
Expert Solution
Answer to Problem 7E
The experiment is blinded.
Explanation of Solution
The experiment is blinded because the use of a placebo keeps patients from knowing whether or not they received the omega-3 from fish oils. It is not sure that the study is double blinded.
h)
To determine
To explain the scope and conclusions.
h)
Expert Solution
Explanation of Solution
This study can determine whether or not omega-3 from fish oils causes improvements in patients with bipolar disorder.
Chapter 13 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Ch. 13 - Prob. 1ECh. 13 - Prob. 2ECh. 13 - Prob. 3ECh. 13 - Prob. 4ECh. 13 - Prob. 5ECh. 13 - Prob. 6ECh. 13 - Prob. 7ECh. 13 - Prob. 8ECh. 13 - Prob. 9ECh. 13 - Prob. 10E
Ch. 13 - Prob. 11ECh. 13 - Prob. 12ECh. 13 - Prob. 13ECh. 13 - Prob. 14ECh. 13 - Prob. 15ECh. 13 - Prob. 16ECh. 13 - Prob. 17ECh. 13 - Prob. 18ECh. 13 - Prob. 19ECh. 13 - Prob. 20ECh. 13 - Prob. 21ECh. 13 - Prob. 22ECh. 13 - Prob. 23ECh. 13 - Prob. 24ECh. 13 - Prob. 25ECh. 13 - Prob. 26ECh. 13 - Prob. 27ECh. 13 - Prob. 28ECh. 13 - Prob. 29ECh. 13 - Prob. 30ECh. 13 - Prob. 31ECh. 13 - Prob. 32ECh. 13 - Prob. 33ECh. 13 - Prob. 34ECh. 13 - Prob. 35ECh. 13 - Prob. 36ECh. 13 - Prob. 37ECh. 13 - Prob. 38ECh. 13 - Prob. 39ECh. 13 - Prob. 40ECh. 13 - Prob. 41ECh. 13 - Prob. 42ECh. 13 - Prob. 43ECh. 13 - Prob. 44ECh. 13 - Prob. 45ECh. 13 - Prob. 46ECh. 13 - Prob. 47E
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