Concept explainers
a.
To find: Whether the provided problem is about comparing proportions or comparing means.
a.
Answer to Problem 2E
It is about comparing proportions.
Explanation of Solution
Given:
Hitting the bottle hard Who is bound to knock back the firewater male or female understudies? The Harvard School of Public Health reviews irregular examples of male and female students at four-year universities and colleges about whether they have occupied with hard-core boozing.
Since, two categories are involved in this problem, that is, Yes or No. It implies that collected data is categorical the mean cannot be computed here. Thus, it could not be concluded that the problem is about proportions.
b.
To find: The study that is being used here.
b.
Answer to Problem 2E
Observational study.
Explanation of Solution
Since, the observational study does not influence the outcome and in the provided case no outcomes have been influenced here. Therefore, the study is observational.
Chapter 10 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Statistics for Psychology
Intro Stats, Books a la Carte Edition (5th Edition)
Essentials of Statistics, Books a la Carte Edition (5th Edition)
Elementary Statistics
Fundamentals of Statistics (5th Edition)
Statistics: The Art and Science of Learning from Data (4th Edition)
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