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 18E
a)
To determine
To find the type of the study.
a)
Expert Solution
Answer to Problem 18E
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 18E
An inactive dogs.
Explanation of Solution
The subjects studied were inactive dogs.
c)
To determine
To find the factors and number of levels.
c)
Expert Solution
Answer to Problem 18E
The type of dog food with 2 levels.
Explanation of Solution
In this study, the factor is type of dog food. There are 2 levels. The low-calorie and standard.
d)
To determine
To find the number of treatments.
d)
Expert Solution
Answer to Problem 18E
2
Explanation of Solution
In this study, there are 2 treatments.
e)
To determine
To find the response variable.
e)
Expert Solution
Answer to Problem 18E
The response variable is weight of the dogs.
Explanation of Solution
In this study, the response variable is weight of the dogs.
f)
To determine
To identify the type of design.
f)
Expert Solution
Answer to Problem 18E
Blocking.
Explanation of Solution
The experiment used a blocking by size and breed.
g)
To determine
To identify whether the study is blinded or double blinded.
g)
Expert Solution
Answer to Problem 18E
The experiment is used blinded design.
Explanation of Solution
As per overall study, it looks like owner of the dog does not know about the food they are feeding to the dog. Therefore, the experiment is blinded.
h)
To determine
To explain the scope and conclusions.
h)
Expert Solution
Explanation of Solution
There should be any prescribed feeding levels so that there could be some conclusion about whether or not the dog food helping the dogs to maintain weight of the dog.
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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